20 POINTS someone pls double check me because it says I'm wrong
Question: evaluate 7[h(-2)] -6 if h (x) = 11-x ^2
Answer I got: 14x^2-160

Which fraction below is equivalent to 10/12?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)