Which determinants can be used to solve for x and y in the system of linear equations below?

-3x+2y=-9

4x-15y=-25

A small garden measures 8 ft by 7 ft. A uniform border around the garden increases the total area to 110 ft 2. What is the width of the border?

If brady spends 19.50 on gas, what is the total distance the boys could travel?

Which of the following does not have a ratio of 2:3:4? A) {8, 15, 24} B) {2x, 3x, 4x} C) {6m2, 9m2, 12m2}

At a store, a dress that originally costs $40 was marked down 25%. Lindsey has a coupon for an additional 20% off the dress. Sales tax is 6%. Which expression will calculate the total amount Lindsey will pay for the dress? A. (40) (0.60) (1.06). C.

Probability? A spinner is made using a regular pentagon. A regular pentagon has five equal sides. The equal sections are labeled with the numbers 1, 2, 3, 4 and 5.

What's the answer to 6x6 : 2 (3) + 4

Each household in the United States receives about 676 pieces of junk mail per year. Since there are 52 weeks in a year, about how many pieces are received each week? Let j represent the amount of peices received in each week.

Solve for p. √ ̅ (6p-2) = 8

A food packing company makes a popular fruit cocktail. To ensure a good mixture of fruit, there are 3 cherry halves for every 8 white grapes in a jar. An inspector notices that one jar has 12 cherry halves and 20 white grapes.

What is the answer to 7 y - 1 equals 5 y + 9