a circle passes through opposite vertices of a square with side 40cm. If the diagonal of the square is a diameter of a circle, calculate the radius of the circle.

A certain candle is designed to last nine hours. However, depending on the wind, air bubbles in the wax, the quality of the wax, and the number of times the candle is re-lit, the actual burning time (in hours) is a uniform random variable with a = 5.

A 9 cm tall cone shaped paper cup can hold up to 58.9 cm cubed of water. What is the minimum amount of paper needed to make the paper cup, assuming no overlap in the paper? Use 3.14 for π.

Solve for x. - 5 (x-4) = - 30

Evaluate the following absolute value expressions. |-100|-98

What's the answer to this question 3x + 2y = - 4 and how did you get it

9d + 4 = 2d + 53 Can someone tell me what d stands for?

43 and 962 ten thousandths form

An amphitheater charges $74 for each seat in Section A, $59 for each seat in Section B, and $28 for lawn seat. There are three times as many seats in Section B as in Section A. The revenue from selling all 13,000 seats in $503,00.

Maria's starting wage for her new job is $8.50 per hour. Each month during her first year, her hourly wage will increase by $0.50. What will her hourly wage be in her 10th month on the job?

Multiply 0.00032 cm by 4.02 cm and express the answer in scientific notation. Remember to follow significant figure rules.