1. Which system of equations has no solutions?

a. a - b = 2, b = - a - 3

b. a - b = 3, a+b = - 2

C. - a + b = - 2, b = a + 3

d. a+b = 3, - a+b=2

Find - x + 10 subtracted from 0. A) 0 B) - x + 10 C) x - 10

Ricardo says that the expression y+4 is equivalent to the expression 1y+4. Is he correct. Explain

8' 4" - 2' 6" = (Its not easy)

Nathaniel started collecting rocks. He started his collection with two rocks on the first day, then four rocks on the second day, then eight rocks on the third day, and then sixteen rocks on the fourth day.

Jill decides to move her fish from a 20 gallon aquarium to a 50 gallon aquarium. She added 3 tablespoons of salt to her old aquarium. If she wishes to maintain to same salinity level, how many tablespoons should she add to her new aquarium?

Where are the asymptotes for the following function located? f (x) = StartFraction 7 Over x squared minus 2 x minus 24 EndFraction x = - 4 and x = 6 x = - 4 and x = 7 x = 4 and x = - 6 x = 6 and x = 7

Today there are 3,659 thousand elementary and secondary teachers employed in a certain country. this number is expected to increase to 3,856 thousand by next decade. what is the percent increase?

For babysitting, Nicole charges a flat fee of $3, plus $10 per hour. Write an equation for the cost, C, after h hours of babysitting.

In particular month, Mr. Clark spent $900 on food which is 30% of his monthly salary. FInd his monthly salary

Add these numbers 1.36 ounces + 3.75 ounces + 2.62 ounces equals what