Solve each system bu substution

y=5x-7

-3x-2y=-12

A ball is thrown in the air from the top of a building. its height, in meters above ground as a function of time, in seconds, is given by h (t) = - 4.9 t 2 + 29 t + 18 h (t) = - 4.9t2+29t+18.

One angle of a right triangle measures 40°. What is the measure of the other acute angle?

Identify the like terms in the expression. - 3x^2+3x-x^2-2+6x

Consider the following scenario describing the Cambridge Mall parking lot: The number of wheels in the parking lot is based on the number of cars in the parking lot. Does this scenario represent a function?

the price of a certain product is discounted by 10%, and the reduced price is then discounted by another discount is offered from the original price?

What is the value of (Negative one-half) - 4? A) - 16 B) Negative StartFraction 1 Over 16 EndFraction C) StartFraction 1 Over 16 EndFraction D) 16

How do you get the area of a circle

Dave is packing 23 sweaters into boxes each box will hold three sweaters how many boxes will they feel how many boxes will he need explain

Round 380,303 to the nearest hundred thousand lo

Here are clues for a puzzle involving two numbers - seven times the first number plus six times the second number equals 31 - three times the first number minus ten times the second number is 29 What are the two numbers?