Use the substitution method to solve the system of equations. Choose the correct pair.

x+y=12

-x=-y-10

A 8,4

B 9,3

C 11,1

D 10,2

What two numbers add to make 130 but subtract to make 85?

How many integers between 1-100 are divisible by 3 or 5 or 7?

6. Suppose the population of deer in a state forest is given by the function D (t) = 750 + 150 cos t is measured in years since 2000. Once the deer population reaches a maximum number, how ma take the population to reach a maximum again? A.

Whatvis the gcf of 72 and 36

1. x2+3x+2x2-2x-3⋅x-3x+1 2. x2-8x-9x2-2x-63⋅x2+13x+42x2-2x-3 3.5 (x+5) x2+2x-15⋅6 (x-3) x2+5x+4

There are 6 roses, 8 carnations, and 12 tulips. Write the ratio of carnations to all flowers in all three forms (simplify first, then write in all three forms).

When table sugar is burned in air, carbon dioxide and water vapor are products, as shown by the following unbalaned chemical equation: C12H22O11 (s) + O2 (g) = CO2 (g) + H2O (g)

Find the slope and y intercept of the line whose equation is - 6x+y=-4

Standard form to slope intercept form

A storage box has a length of 9 in., a width of 6 in., and a height of 8 in. Which unit of measurement should be used to describe the amount of cardboard that was used to make this box? A. in. B. in squared C. in cubed