You increase the lengths of the sides of a cube by the factor 2. What is the ratio of the new cube to the original.
a. 8:1
b. 4:1
c. 1:2
d. 2:1

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

What is the sum of these mixed numbers 2 1/8 + 4 3/8

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.