The sum of two numbers is 31. one number is 21 more that the other. find the numbers

6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d.q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Use set builder notation to represent the following set: { -3, -2, -1, 0}