If you were to solve the following system of equations by using a matrix, 4x-y=16 and 2x+3y=-18, what would the coefficient matrix be?

a. 4 - 16 c. 4 - 1

2 - 18 2 3

b. 4 - 1 - 16 d. 4 2

2 3 - 18 - 1 3

Peaches are being sold for $2 dollars per pound if x represents the number of pounds of peaches bought and y represents the total cost of the peaches which best describes the value of x and y

Find the perimeter of a rectangle whose length is 4 cm greater than its height, and whose area is 60 cm².

The admission fee at fair is $1.50 for children and $4 for adults. On a certain day 2200 people enter the fair and $5050 is collected solve the system

Susan has a collection of 52 nickels and dimes. If the number of nickels is three times the number of dimes, how many nickels and how many dimes does she have?

Nick earned $185 at her summer job. She already had savings of $125.75. She buys a T-shirt for $23.50. How much does she have left?

Wayne is mixing paint. He makes six quarts of brown paint by mixing equal quantities of yellow paint and violet paint. The violet paint is made from one- third red paint and two-thirds blue paint.

Why do scientist use a universal system of measurement?

How many 3/4 cup servings are in 7/8 cup of pudding

Sociologists have found that information spreads exponentially in a population. accordingly, the formula y = 525 (1 - e-0.038t) models the spread of information in a population of 525 people within t hours.

Last year, Todd bought a tent for $75. The same model now costs $95. What was the percent increase in the cost of the tent?