Consider the expression - 6 3/5 -(-7 4/15) +2 1/5

a. Estimate the value of the expression. Show your work.

b. Find the exact value of the expression. Show

your work.

C use your estimate to explain if your answer to problem 4b is reasonable

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion