1) 2x + 13 = x + 8
2) 4x + 11 = 17 - 2x
3) x + (12 - 3x) = 3 - (5 - x) 3
4) x/2 + 4 = 7
5) x/3 - 3/4 = 7/4
6) x + 4/5 = 3-x
7) 3x + 3/4 = x + 3/2

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

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4? o a. 8a oc. 16 t d. 8