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

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue