Tell whether the system has one solution, infinitely many solutions, or no solution 9x+8y=15 and 9x+ 8y=30

Factor the monomial completely 42a3b3

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.

Find the missing dimension! need asap! tiny square is a =3025 in ²