Which of the following math statements contain variable(s)? Check all that apply.
A. ? + 7 = 12
O B. 15 - 5 =
I C. 13 - x= 9
DD. 1 + 6 = 7
SUBMIT
PREVIOUS

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.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out