A girl is twice as old as her brother and half as old as her dad. in 22 years, her brother will be half as old as his father. how old is the daughter now?

Write 3.01 (1 repeating) as a mixed fraction?

Suppose the real exchange rate is 3/4 gallon of country A's gasoline per gallon of U. S. gasoline, a gallon of U. S. gasoline costs $3.00 U. S., and a gallon of gas in country A costs 6 units of their currency. What is the nominal exchange rate? a.

It takes chris 30 mininutes to walk to work it takes him 1/3 of the time to drivewhat is the latesest time he can drive to work and arrive at 8:00

How does f (x) = 6x change over the interval x = 3 to x = 4?

The number of vertices in a pyramid is equal to the number of faces. How many vertices does a regular pyramid with 40 edges have? Euler's formula: V + F = E + 2 A. 20 B. 21 C. 40 D. 42

A population of flies, P, over a given amount of time, x, is modeled by the expression P (1+r) ^x. Note: r represents percentage rate as a decimal What does each factor in the expression represent? Select each correct answer.

The elevators in the Empire State Building descend at a rate of about 7 meters per second. How far has the elevator descended after 10 seconds?

Tan154-tan49/1+tan154tan49 *all are in degrees. What does sin, cos, and tan equal?

What is the unit rate for this problem: $4.50 for 10 ounces of trail mix

the equation y=3x+7 shows the relationship between the number of days (x) and the number of stamps alex has collected (y). Predict the number of stamps he will have in 12 days.