Maths questions ❓?

Sure, here are some maths questions for you:

1. What is the value of 5 x 8?
2. Solve the equation: 2x + 5 = 15
3. What is the square root of 64?
4. Calculate the area of a rectangle with length 10 cm and width 5 cm.
5. If a car travels at a speed of 60 km/h for 3 hours, how far does it travel?

Feel free to answer these questions or let me know if you need any help with them!

Arithmetic

- Calculate 123 + 456 - 321.
- Find the product of 25 and 36.
- Divide 120 by 12.
- Calculate 15% of 80.
- Round 34.789 to the nearest whole number.

Algebra

- Solve for x: 2x + 5 = 13.
- Simplify the expression: (2x - y)(x + 2y).
- Factor the polynomial: x^2 - 9.
- Find the slope of the line passing through the points (2, 3) and (5, 7).
- Write an equation of the line with slope 2 and y-intercept -1.

Geometry

- Find the area of a circle with a radius of 5 cm.
- Calculate the volume of a rectangular prism with length 6 cm, width 4 cm, and height 3 cm.
- Find the surface area of a sphere with a radius of 3 m.
- Determine the Pythagorean theorem and use it to find the length of the hypotenuse of a right triangle with legs 3 cm and 4 cm.
- Prove that the sum of the angles in a triangle is 180 degrees.

Trigonometry

- Find the sine of 30 degrees.
- Calculate the cosine of 60 degrees.
- Determine the tangent of 45 degrees.
- Solve for x: tan(x) = 1.
- Find the value of arcsin(0.5).

Probability and Statistics

- A coin is flipped three times. What is the probability of getting heads all three times?
- A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a red ball from the bag?
- Find the mean of the following data set: {5, 7, 9, 11, 13}.
- Calculate the standard deviation of the following data set: {2, 4, 6, 8, 10}.
- Construct a box plot for the following data set: {25, 30, 35, 40, 45, 50, 55}.