Answer:
2
Step-by-step explanation:
Multiply then add
Answer:
x=-1
Step-by-step explanation:
2x - 3 = -4x - 9
Add 3 and 4x on both sides.
2x + 4x = -9+3
Add or subtract like terms.
6x = -6
Divide 6 into both sides.
6x/6=-6/6
x=-1
The solution to this equation is x=-1.
Answer:
a - 1/2
Step-by-step explanation:
there are 3 even and 3 odd numbers so the probability is half of them
Answer:
#20 is irrational, #24 is 33/100, and #25 is 0
Step-by-step explanation:
The width of a book is 1.5 inches.
The total width of 79 books is 1.5×79
= 118.5 inches.
The cost of a 34.5 inch wide shelf is $12.95
Therefore, the cost of a 118.5 inch wide shelf will be:
(Let the cost of the 118.5 inch wide shelf be x)

x= $44.48