Bruce bought 2 books one book costs $4.00 more than three times the other. together , the two books cost him $72 . how much does each book cost?

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

What is the length of the unknown leg in the right triangle ?

What is the solution to the equation in the & show work i’m very