Marcus can walk 1 mile to the library in the same time he can bicycle 2.5 miles to the sporting goods store. his speed on the bicycle is 6 mi/h faster than his walking speed. what is his speed walking?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent