Four more than seven times a number is the same as twenty less than three times the number

Cierra has 3 more than one half as many purses as Aisha. Define a variable and write an expression to represent the number of purses in Cierra's collection. Then find the number of purses in Cierra's collection if Aisha has 12 purses.

Sue has 4 pieces of wood. the lengths of her pieces of wood are 1/3 foot, 2/5 foot, 3/10 foot, and 1/4 foot. Which piece of wood is the shortest?

Choose exactly two answers that are correctHelp Me Please
1.

(3 pt)
What are the domain and the range of the relation?

{(−4, 3), (0, −10), (6, −6), (7, 0), (9, −5), (13, −2)}

Choose exactly two answers that are correct.

A.
domain: {−10, −6, −5, −2, 0, 3}

B.
domain: {−4, 0, 6, 7, 9, 13}

C.
range: {−10, −6, −5, −2, 0, 3}

D.
range: {−4, 0, 6, 7, 9, 13}

Jerome surveyed 643 skateboarders and found that 209 of them preferred wood skateboards to plastic or aluminum skateboards. Based on the number of people surveyed, what is the most reasonable estimation of the percent of skateboarders who preferred wood skateboards?a)10%
b)30%
c)40%
d)50%

What's the question? One hour and 10 minutes later, it was 6:20 P.M.

Write this in scientific notation: 52,739