Find Angle R.
Q
120°
40°
R
T

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

Ineed with number 17 i don’t get it at alll

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