What is the correct way of evaluating 30b+12b for b=5

Consider 10 married couples. how many ways can 7 married couples be selected from this group

Jason got a bag full of colorful jelly beans. there were 40 of them: 10 were red, 4 were yellow, 5 were orange, and 11 were blue. after shaking the bag, he randomly selected two jelly balls from the bag.

Write this ratio as a fraction in simplest form without any units. 35 days to 6 weeks

5.6.4 Uassily two-dimensional categories based on their properties. ral. 718° 42 in.

Rachel harvested half as many watermelons as strawberries. If there were 28 watermelons, how many strawberries did she get?

What is 2.25 as a fraction

Suppose that two cards are randomly selected from a standard? 52-card deck.? (a) what is the probability that the first card is a clubclub and the second card is a clubclub if the sampling is done without? replacement??

In 5 h, you drive 400km. how much km could you drive in 1 h.

What differnce between 7/8 and 1/4

Ms Gegory had $300 to purchase sports equipment for summer camp she bought 6 soccer balls. Each basketball cost $16.98, and each soccer ball cost 13.79 how mush money did she have left after these purchases?