Combine and simplify the like terms.

z +18 + 2b - z - 4 + 5b

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm