How do you combine variables?

Yoshi has 4 fewer CDs than Miranda, and Ravi has 7 times as many CDs as Yoshi. If Miranda has n CDs, which expression represents the number of CDs that Ravi has? O A. n-4 OB. 4 - 7n O c. 7 D. 71 - 4 O E7 (11 - 4)

Through: (4,2) parallel to - 5x + 4y = 16

Find the solution of this system of equations 2x-4y=32 2x-8y=48

The table shows the cost of renting movies online. Number of Movies Cost 1 $3.99 2 $7.98 3 $11.97 4 $15.96 5 $19.95 What does the rate of change mean in this situation? The cost increases $7.98 for every additional movie rented.

A lunchbox contains one sandwich and one drink from the list ... Sandwiches. Drinks Cheese (c). Black currant (b) Ham (h). Lemonade (l) Prawn (p). Water (w) Lost all possible combinations

A baseball player hit 65 home runs in a season. Of the 65 home runs, 19 went to right field, 23 went to right-center field, 9 went to center field, 11 went to left-center field, and 3 went to left field.

How many milliliters of olive oil (D=0.92 g/mL) have the same mass as 1.80 L of gasoline (D=.74 g/mL)

Leo's family keeps recyclables in a cylindrical trash can. Today Leo bought a larger can with a radius and height that are twice the radius and height of the old can. Leo claims the new and old cans are geometrically similar figures.

The value of Maggie's car decreased by 30% since last year, when she bought it. If the car is now worth $17,000.00, how much was the car worth when she bought it?

The base of a rectangle has a length of 4 inches and a diagonal has a length of 5 inches, Find the area of the rectangle