19. ms. lewis plans to drive 900 miles to her vacation
destination, driving an average of 50 miles per hour.
how many miles per hour faster must she average,
while driving, to reduce her total driving time by
3 hours?
a. 5
b. 8
c. 10
d. 15
e. 18

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Can someone tell me if this is perpendicular? !