How many pairs of whole numbers that have a sum of 12

If f (x) varies directly with x2, and f (x) = 75 when x = 5, find the value of f (4). 25 48 50 100

Identify the variable expression that is not a polynomial. A. 23 B. + 2 C. y + 1 D. x12

Solve 4 - 2e4x = 1. a. 0.41 c. - 0.41 b. - 0.10 d. 0.10

Which equation is represented by the phrase "a number increased by three equals 10"? O ELLE x + 3 = 10 3x = 10 x = 10 x + 10 = 3 O

the initial cost to drill a well is $21000. The daily rate to operate the well is $500. the current selling price is $65 per barrel of oil and the well is expected to produce 115 barrels per day. What would be the revenue for one day?

Which equations model this problem? A recipe that makes 1 serving calls for 0.25 L milk. How many servings can Rohit make if he uses 2 L of milk? Use s for the number of servings. Choose all answers that are correct. A. 0.25: 2=s B. 0.25·s=2 C. 2:0.

What is the value of y that makes the equation y+2.9=11 true?

Thomas earns x dollars each week walking his neighbor's dog. He also earns $10 allowance each week. Which expression represents the amount of money Thomas has earned after 4 weeks? Select each correct answer.

Suppose the skaters complete one lap around a park that has the shape of a regular pentagon what is the sum of the angles through which they turn

A class consists of 12 students (six boys and six girls) and one teacher. In how many ways can the students sit in a circle?