4(3x + 5y + 2z) + 3(x-z)tom: 12x + 20y +8z jess: 5(3x + 4y +2) chistian: 15x + 20y - 5z  which one is equivilant?    

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Which statement describes surface features called maria on the moon