Gretchen worked in the ticket booth for 20 minutes. kevin worked in the ticket booth 5 times longer than gretchen. which equation could be used to calculate the number of minutes that kevin worked? let the variable b stand for the number of minutes kevin worked.
a. 20= b+5
b. 20=b*5
c. b=20 / 5
d. b=5*20

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.