Which of the following is not a solution to the system of linear equations below?
5y = 3x+15
6x = 10y– 30
a. (5,6)
b. (–15, 12)
c. (0,3)
d. (-10,-3)

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?