A school luncheon made $447. Adult tickets cost $9 each and children's tickets cost $4 each. The number of children was 3 less than twice the number of adults. How many of each
ticket were sold? State both the unknown variable/expression for the two quantities and the
equation.

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

the answer is c hope it

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

yes

step-by-step explanation:

yes