Which of these is equal to sin 21°?

A) cos 21°

B) cos 69°

C) sin 69°

D) tan 69°

One day, a person went to a horse racing area. Instead of counting the number of humans an horses, he conuted 74 heads and 196 legs. How many humans and horses were there? Discuss A. 37 humans and 98 horses B. 24 horses and 50 humans C.

Identify an ordered pair of the equation 2x = 6y - 24.

What is less than 9 or factor of 27 ?

What is the answer for 16/9 is equal to

Factor ax^2-ay-bx^2+cy+by-cx^2

What two whole number integers would the square root fall in between? √ (44) 4 and 5 6 and 7 5 and 6 8 and 9

In a pair of similar polygons, corresponding angles are congruent.

Y=5x+3 which orderd pair works for the rule A. (4,23) B. (3,14) C. (5,3)

A random sample of 12 graduates of a certain secretarial school typed an average of 79.3 words per minute with a standard deviation of 7.8 words per minute.

Factor this trinomial. х^2 - 9 х + 20 А. (х - 4) (х + 5) В. (х-2) (х + 10) С. (х-2) (х - 10) D. (x-4) (х - 5)