Solve by Elimination
3x - 7y = 2
-6x = 9y = -9

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides