Question 2 5 pts
Which of the following subtraction problems show a difference of 12.93?
Select TWO that apply.

51.639 - 38.709

146.8 - 17.5

136.8 - 122.87

18.63 - 5.7

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.