The total curb weight of a truck, a car a, and a car b is 11,350lb. the weight of car a is 5 lb less than the weight of two b cars. the truck weighs 2135 lb more than car a. what is the curb weight of each vehicle?
the curb weights of car a is of car b is , and that of the truck is .

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Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Which of the following circles have their centers on the x-axis? check all that apply.