The 25 students in Mr. Byers 6th grade class each donated $3.00 for Mr. Byers' end of year gift. When Julie went to purchase the gift, she added an extra $20.00. How much money was spent on Mr. Byers' gift? A. $55
B. $65
C. $75
D. $95

For each expression use a property to write an equivalent expression.

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics