How do I solve 4x-9y=26 4x-5y=2 with elimination

Jerry wants to make a call to Columbia. There's an initial cost of $1.30 for the first 3 minutes and $0.75 for every additional minute. If his call lasts 8 minutes how much will that cost him?

In Exercise, solve for 0 < x2 + 1

How many meters of border will be needed for a rectangular poster 8 3/10 meters wide and 7 2/5 meters long

A vat of milk has spilled on a tile floor. The milk flow can be expressed with the function r (t) = 4t, where t represents time in minutes and r represents how far the milk is spreading. The spilled milk is creating a circular pattern on the tile.

The area of a rectangle is 42 cm2. The rectangle is enlarged by a scale factor of 5. What is the area of the enlarged rectangle? A) 47 cm2 B) 57 cm2 C) 210 cm2 D) 1050 cm2

One week, Huey worked 7 hours less than Dewey, and Louie worked twice as long as Huey. Together they worked 87 hours. Find the number of hours worked by each.

Which expression is equivalent to 7 square root of 29

Elimination of x-y=11 2x+y=19

the owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 L from a fertilizer

A community pool that is shaped like a regular pentagon needs a new cover for the winter months. The radius of the po is 20.10 ft. The pool is 23.62 ft on each side.