99×101 has the same value as (99×100)+1 (99××1) (99×100)+(99×1) (99×100)(99×1)

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Aphrase is shown read the phrase and give me the answer

When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?