Solve each system bu substution

y=5x-7

-3x-2y=-12

An ant travels at a constant rate of 30 cm every 2 mins at what speed does that ant travel?

F (x) = 2 (x + 6), find x if f (x) = 22

You invest $1,300 in an account with an annual interest rate of 2.5%, compounded monthly. How much money is in the account after 15 years? Round your answer to the nearest whole number.

8 ⅔ - ⅓ + (⅔) ² + 56 : 7=

The center of a circle is located at (-2, 7). The radius of the circle is 2. What is the equation of the circle in general form? x2+y2+4x-14y+51=0 x2+y2-4x+14y+51=0 x2+y2+4x-14y+49=0 x2+y2-4x+14y+49=0

Which equation represents y = x2 + 16x + 70 in vertex form?

Explain why a square can never be a trapezoid

which shows the correct substitution of the values, a, b, andc from the equation - 2=-x+x2-4 into the quadratic formula

3.) Your car cost $42,500 when you purchased it in 2015. The value of the car decreases by 15% annually. A. Write an exponential decay function to represent this situation. f (x) = 42500 (1-.15) x f (x) = 42500 (1-.85) x B.

When a certain valve is open, 281 gallons go through it in one hour. The number of gallons that would go through in 91 hours is?