Which expressions are polynomials? select each correct answer. x – 1 5x²-√x 6+p 8x-z³

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.