Which is equivalent to the ratio 25 : 35

a. 10 : 14

b. 45 : 63

c. 35: 45

d. 5 : 7

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?