Write the following in a shortened form

8×p×(q+2)=
a×b×(c+4)=
7×(4+3×x)=
(n+2)×(n+3)=
a×3×a×a=
5×(m-8)=
2×3×(a-5)=
4×(5×a-1)=
5×(3×y-2×z)=
(4p+1)×(4q-3)=

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

What percent of the circle below is shaded?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)