Tyson spent $20.25 at the local ice cream parlor. he bought x waffle cones and y milkshakes. the equation below shows the relationship between the number of waffle cones and the number of milkshakes he bought.
3.75x + 4.25y = 20.25
the ordered pair (2,3) is a solution of the equation. what does the solution (2,3) represent?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?