Priya is simplifying the expression 2(4-2.0)-3-2.7. Here is her work:
2(4-21)-3-2.1
8 -- 2.23-22
- 11-4.2
a. Priya's work is incorrect. Explain the error she made.
b. Write an expression equivalent to - 4(2+ 3) -12.3 – 5 that only has two terms.

I really only need B.

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

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4