Evaluate the triple integral. 7z dV, where E is bounded by the cylinder y2 + z2 = 9 and the planes x = 0, y = 3x, and z = 0 in the first octant E

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

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.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers