Which is a true statement about a measure of center and a measure of variation? A.) A measure of center is the same as a measure of variation
B.) A measure of center describes how the numbers vary within a data set, while a measure of variation summarizes the data.
C.) A measure of center summarizes the data, while a measure of variation describes how the numbers vary within a data set
D.) A measure of center determines the center of the data, while a measure of variation measures how the data varies with another data set.

Solve the formula ax+ by = c for x.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?