The product of eight minus a number and seven equals forty when decreased by five. which equation represents the sentence?
a)
5(x - 8) - 7 = 40
b)
5(8 - x) - 7 = 40
c)
7(x - 8) - 5 = 40
d)
7(8 - x) - 5 = 40

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample