Sally drew a circle with right triangle PRQ inscribed in it, as shown below: If the measure of arc QR is 40°, what is the measure of angle PQR?

20 °
40 °
50 °
70 °

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

How do you solving the solution of each system using elimination?

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x