Luis rides his bicycle 3/4 mile in 15 minutes along the bike trail. Assuming he rides at a constant rate, what is his speed, in miles per hour? Hint it is not 3Mph I tried that already need help asap

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Explain why the factor 1.5 is broke. into two numbers in the model.

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?