Which statement is true?

Two angles can be complementary and equal.

Two angles cannot be equal if they are complementary.

An angle can be complementary only if it is 90°.

Only three angles can be supplementary.

What is the answer for 4/7 + 5/7 = by simplify

If $7=x^2+/frac{1}{x^2}$, then what is the greatest possible value of $x+/frac{1}{x}$?

Multiply (x + 2) (x - 6)

What is 4/2 as a whole number

Let [n] represent the greatest even integer less than n that divides n, for any positive integer n. For example, [24] = 12. What is the value of [20] ... ?

True or false, a treasury bill must be 13 weeks.

Jabari owns 100 shares of stock A and 45 Shares of stock B. For the past month, his stocks have been fluctuating inversely each week. stock a decreased by m cents per share and stock b increased by n cents per share.

The area of a square garden is 25 m2 how long is each side of the garden

A woman earns $2900 per month and budgets $290 per month for food. What percent of her monthly income is spent on food?

Mahmoud spent 1/6 of the working in the flower bed Mahmoud spent 2/3 of that time adding mulch of the flower bed what fraction of the day did Mahmoud spend adding mulch?