How do I solve 3 (9-5)² ÷8 ?

The product of 3 and a number increased by 8 is 31

Which statement is true about the given expression? 3: 2 – 11(2y + 1) + 4 a. the "3" in the first term is an exponent b. the "u" in the second term is a constant. c. the "4" in the third term is a factor. d. the "2" in the second term is a coefficient reset next

One angle of a right triangle measures 15°. what is the measure of the other acute angle?