On Monday, Martin had 5 2/3 gallons of gas in his car. On his way to work, he added 4 gallons to the tank. He
then drove to work and used 1 3/4 gallons. Three days later, he added 2 1/4 gallons of gas to his tank. He then
used 4 gallons of gas driving to his grandparent's house. How much gas remains in Martin's tank?
A 9 2/3 gallons
B 1/2 gallon
C. 6 1/6 gallons
D. 17 2/3 gallons

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Which two undefined geometric terms always describe figures with no beginning or end?