Write and expression that equals 40. include an exponent

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8