Solve by substitution. 7x+2y=-19 and - x+2y=21

3 = - 2x + 1 what is the value of x

831,982 rounds to 830,000

How to evaluate 12x when the x=6

Y=2x^2+8x+1 find the vertex of the function below

At the start of an experiment, there are 2,500 bacteria in a colony. The colony grows at a rate of 11% every hour. What will be the number of bacteria in the colony after n hours?

This morning, Elena wrote a check in the amount of $42.50. This brought her balance down to - $14.25. Suppose n represents Elena's balance before she wrote the check. Which equation can be used to represent this situation? A. n - 14.25 = 42.50 B.

How many fingers do half a town have 7100 population answer and will win supreemr

A helicopter flies 200 miles against the wind in 2 hours, with the wind, it can fly 300 miles in the same amount of time. Find the speed of the helicopter in still air.

NO. 20 Planting tulips. A bag of 30 tulips purchased from a nursery contain 12 red tulips, 10 yellow tump bulbs, and 8 purple tulip bulbs.

First to answer gets brainliest Which right triangular prism has the greatest volume? A) A triangular prism. The triangular base has a base of 7 meters and height of 9 meters. The height of the prism is 6 meters. B) A triangular prism.