40+2 times 39 how can you get the answer

Art's Printing Service charges $27.50 to print 100 high-quality copies of a one-page resume. Each additional set of 100 copies costs $14.99. Express the cost, c (r), of printing r sets of 100 resumes, as a piecewise function.

How many seven-digit numbers are there when 0, 7, and 2 cannot be the leading number?

The first three steps for solving the quadratic equation 8x^2+80x=-5 by completing the square are shown. Fill in the missing number in the last step 8x^2+80x=-5 8 (x^2+10x) = - 5 8 (x^2+10x+25) = - 5 + ? A) - 200 B) - 25 C) 25 D) 200

Two containers hold a mixture made out of two chemicals. In container A the two chemicals are in the ratio 1:2. In container B the same chemicals are in the ratio 1:1.

Larry borrowed $12,000 from his grandfather to buy a car. He bought a used car, so he returned $4,411 to his grandfather. Write and solve an equation using integers that shows the total amount that Larry owes his grandfather.

5. Twice the sum of a number plus 4 6. The sum of 314 of a number and 7 7. Three more than number So The avotient of a number and 8

What is the solution to the system of equations? y = - 5x + 3 y = 1 a (0.4, 1) b (0.8, 1) c (1, 0.4) d (1, 0.8)

Peggy wants to run 5 miles in less than 60 minutes. What inequality shows what her rate should be? A. 1mi<60 min B. 3 mi<60 min C. 1 mi<12 min D. 2mi<30

This equation shows how the total number of appetizer recipes Emily knows depends on the number of weeks she attends culinary school.

What is 897.4 rounded to the nearest whole