Which algebraic expression represents the phrase “seven more than half of a number”? 7 minus one-half x
Negative 7 + one-half x
One-half x + 7
Negative one-half x minus 7

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

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

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb