If a = {4, 7, 10, 13, 17} and b = {3, 5, 7, 9}, then which of the following statements is true?
a b = {7}
b b
b a

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)