The measures of two base angles of an isosceles trapezoid are 7x – 12 and 5x + 6. what is the measure of x?
select one:
a. 3
b. 5
c. 7
d. 9

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Will mark brainliest with 20 points! the table shows how far object 1 traveled as a function of time. *time (seconds) - 2 4 6 8 *distance traveled (feet) - 18 36 54 72 the equation shows how far object 2 traveled in feet as a function of time in minutes. *f(x) = 10x which object traveled at a faster speed? justify your response.