If 1+4=5; 2+5=12; 3+6==21; what is 8+11

1. Phil, Steve, and Esther are aged 19 - 22, and none of them is the same age. Phil's age is an even number, and Steve and Esther have consecutive ages. Steve's age is an odd number, and he is older than Phil. Who is the oldest?

What is the value of 1-18 25 if you subtract then add? If you add then subtract? Why is order of operations necessary?

A semi-truck trailer is basically a rectangular prism. A typical height for the inside of these trailers is 108 inches. If the trailer is 8 feet wide and 20 feet long, what is the volume of the trailer

What is a proportional relationship

Factor the trinomial x^2 - 7x + 10

Three friends decide that they each want to be able to buy a new bike in four years. Iliana puts $500 in a savings account with a simple interest rate of 4%. Joann invests $515 in a standard savers account with a simple interest rate of 3%.

Solve the formula for the variable h. V = Bh/3 a. h = 3v/3 b. h = V / 3B c. h = 3V + B d. h = 3V - B

Convert 3/4 into a quotient and percentage

Simplify the expression 3 (-3y+2x) combine like terms a+3a-b+4b+c

If a figure has 5 sides 5 vertices and no equal sides what is it? it is a polygon BTW