What is the value of the expression when a = 4 and b = 3

4a + b - 5

A: 2

B: 6

C: 7

D: 14

If f (x) = 2x^2-3x What is the value of f (5)

A company has found that the demand for its product varies inversely as the price of the product. When the price x is 4.25 dollars, the demand y is 550 units. Find a mathematical model that gives the demand y in terms of the price xx in dollars.

The cost of having a package delivered has a base fee of $9.70. Every pound over 5 lbs cost an additional $0.46 per pound. Write a linear model that represents the cost, C, for the total weight, w, in pounds of the package. Assume 5 lbs. a. C = 9.

How is a relationship determined when you are doing scatterplots

Gary can hike on level ground 3 miles per hour faster than he can on uphill terrain. Yesterday, Gary hiked 10.25 miles, spending 3 hours on level ground and 2 hours on uphill terrain. What is Gary's average hiking speed on level ground

The data set shown represents the total fee for miles traveled on a toll road. Use the information to complete the statements. There are observed toll fee values. It costs $ to travel 76 miles. The predicted value for traveling 30 miles is $

Which value of x is in the solution set of the following in equality - x+8>6

Find the value of the given trigonometric function. cot (-150°)

The nutrition information on the cereal box says that a 1 /2 -cup serving provides 210 calories and 3 grams of dietary fiber. At that rate, find how many calories and grams of fiber are in a 1 /3 -cup serving.

June's multivitamin contains 1500mg of calcium. Convert this to grams