Write and simplify an expression to represent the perimeter of the triangle shown. Then find the value of x if the perimeter is 45 feet. Pls help me i just need the answer ​

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27