There are a total of 520 seats available for the Spring Musical. On the first night of the Spring Musical, parents fill up 312 seats and students sit in 1/4 of the seats. How many seats are Not being used?

1

step-by-step explanation:

you are throwing one dart

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

step-by-step explanation:

two pairs of adjacent sides are of equal length. this implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. it also implies that the diagonals are perpendicular.