An empty space on a bulletin board is shaped like a right triangle with a base of 18 inches and a height of 30 inches. How many square feet of paper would be needed
to cover the space

A. 1.875 ft square
B. 3.0 ft square
C. 3.75 ft square
D. 4.5 ft square

it has to be a.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.