HELP!! Simplify: [3(2a)3/2]^2

a) 24a^3
b) 72a^3
c) 34 4√2a^9
d) 216a^3

See image below as well.

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°