The perimeter of a semicircle is 15.42 kilometers. What is the semicircle's radius?

14+2 (56-1) this is an arithmetic sequence

Which Solid Figure is made of only triangular faces? A. Triangular Prism B. Cone C. Square Pyramid D. Triangular Pyramid

In calculus, why can we treat the dy and dx as if they are parts of fractions, multiplying both sides by dx in separable differential equations for instance.

At a theater one section has 8 rows with 12 seats in each row in the center of the of each of the first 3 rows are 4 broken seats that cannot be used. How many seats can be used in the section.

The equation y = 55x + 85 describes the amount of money a plumber charges, where y is the total amount he charges and x is the number of hours he works. The table shows the total amount of money an electrician charges.

Solve the equation. Check your answer: 14+6a-8=18

If a rocket that is launched into space is traveling at 300 feet per second, then how fast is the rocket traveling in yards per minute?

A cylinder has a volume of 360 in3. If the height and radius are multiplied by 2.5, what will the resulting volume be?

How do you subtract and reduce 8 - 5 over 8

Suppose you deposited $100 in a savings account 3 years ago. The simple interest rate is 3.2 %. The interest that you earned in those 3 years is $9.60. Which of the following is/are true?