What is the solution set for -4 x - 10 ≤ 2?

x ≤ -3
x ≥ -3
x ≤ 2
x ≥ 2

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?

Can someone me do math because i am having a breakdown rn because i don’t get it

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4