Is (5,4) a solution of the system of linear equations?
- 6x +y = - 26
x+y = 9
choose the correct answer below.
yes
no

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

Find the maximum value of p= 4x + 5y subject to the following constraints :