Sasha's health insurance at his new job will have smaller co-pays and deductibles than his previous insurance. what will most likely happen to his premiums?

a.) his premiums will increase.
b.) his premiums will decrease.
c.) his premiums will stay the same.
d.) his premiums will change erratically.

What is the length of the unknown leg in the right triangle ?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left