Quick! ! if 87 people attend a concert and tickets for adults cost $3.75, while tickets for children cost $2.75 and total receipts for the concert was $272.25, how many of each went to the concert? adults? children?

Find the area of an equilateral triangle with a side of 6 inches

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

The first and second steps to solve the equation 3x/5 + 5 = 20.are shown below 3x/5 + 5 - 5 = 20 - 5 3x/5 (5/3) = 15 (5/3)a.addition property of equality b.subtraction property of equalityc.multiplication property of equalityd.division property of equality