A 5-mile cab ride costs $7.20. A 9-mile cab ride costs $11.60. Find a linear equation that models a relationship between cost c and distance d.

c = 1.44d + 4.40

d = 1.10c + 4.40

c = 1.29d + 1.70

c = 1.10d + 1.70

A student is deriving the quadratic formula. Her first two steps are shown. Step 1: - c = ax2 + bx Step 2: - c = a[x^2+b/ax] Which best explains or justifies Step 2?

Change 3/5 to a decimal

How do you simplify √-81x6?

For her parents' anniversary party, Sally is considering using one of two venues. A hotel in Arlington will cost $300 for a reservation, plus $28 per person.

Johnathan and his two friends want to share 7/8 pound of gumballs. if they share the gumballs evenly, how many pounds will each of the get

Think About the Process At a little-known vacation spot, taxi fares are a bargain. A 63-mile taxi ride takes 72 minutes and costs $50.40. You want to find the cost of a 42-mile taxi ride. What unit price do you need?

The weight of a box of cereal can vary by 1/4 of an ounce and still be sold as a full box. Each box is supported to contain 18 ounces of cereal.

Suppose we have samples of five men and of five women and have conducted a randomization test to compare the sexes on the variable Y = pulse.

Find the perfect square between 45 and 55

Teresa planted marigolds in 2/8 of her garden and petunias in 3/8 of her garden. what fraction of the garden has marigolds OR petunias