Function f is defined by the equation f (x) = x^2.
What is f (3)
PLZ HURRY

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?