Rectangle QRST is shown. Angle QRT is congruent to angle STR, and angle STR is complementary to angle QTR. Which statement is true about angles QRT and QTR?

1).They are congruent.

2).They are complementary.

3).They are supplementary.

4).They are right angles.

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.