Find a1 for the geometric series r=-1 and s11=7

In geometry what are two names to name a line

Due to a slump in the economy a mutual fund has dropped by 30% from last year to this year. If the fund is now worth $13,902, how much was the fund last year?

Solve for h: h - 9 = 36 can someone giving me step by step on how to solve problems like these

What is the sum of numbers as a product of their GCF 45+60

Solve by completing the square: x2 - 12x + 11 = 0 a 11 & 1 b - 11 and - 1 c 11 and - 1 d - 11 and 1 e none of the above

Tyron and Penelope both bought 4-wheelers. Tyron paid $199 up front, and will pay the remainder in 12 payments of $50 each. Penelope paid nothing up front, and will make 18 payments of $49. Who got the better buy?

A billiards triangle is equilateral. What is its perimeter? One side is (2x+1) in and the other is (4x - 9 1/4) in.

Which two whole numbers lies between the square root of 10

The width of a box is 12 cm. The length of the box is two times the width. The height is 10 cm longer than the length. What is the volume of the box? (V = lwh)

A train travels 75 km every hour how far will it travel in 5 hours?