What is the vertex of the graph of y=-2x^2+8x+9

Seven is what percent of 30?

A jewelry shop makes and sells pearl necklaces. The shop has a total of 6,832 pearls. Each necklace has 16 pearls. Marvin says that the greatest number of necklaces the jeweler can make with all of the pearls in the shop is 682.

A healthy adult cheetah can run 110 feet per second. How fast can a cheetah run in miles per hour

Simpliest way to answer what is 2/3-1/6

A 2-pound bag of sugar contains 227 one-teaspoon servings and costs $2.49. A batch of muffins uses 3/4 cup of sugar.

Evaluate the expression for x = 4 1/3 9x + 4 A) 39 B) 40 C) 43 D) 52

Tom rented a truck for one day. There was a base fee of $16.99, and there was an additional charge of 90 cents for each mile driven. Tom had to pay $190.69 when he returned the truck. For how many miles did he drive the truck?

What are the advantages of using an algebraic expression to represent a pattern rule, compared with describing the pattern in words?

What is they ratio of students in 6th grade if there are 20 6th graders and 24 students in 5th grade

Travis runs an average of 25 miles per week give or take six miles. let m be the number of miles travis runs each week