Which expressions are equivalent to the one below? check all that apply. 21^x/3^x

A. (21-3) ^x

B. 7

C. 7^x

D. (21/3) ^x

E. 7^x*3^x/3^x

F. 3^x

If pears cost 0.92 cents per pound and apples cost $1.10 if someone was to bring 3.75 pounds of pears and 2.1 pounds of apples how much did tjey pay for the pears and apples?

A box contains blue, red, and green pens. 25% of the pens are green and 35% are red. 48 blue pens cannot be used, but the remaining 40% of the blue pens are usable How many blue pens are there? How many pens are there altogether in the box

Choose the function that has domain x ≠ - 3 range y ≠ 2.

What is the probability of a 6 sided dice

Show a number line with 1/2, 75, - 2, 3/4, 25

The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?

What is the slope of the line through (6,9) (6,9) left parenthesis, 6, comma, 9, right parenthesis and (7,1) (7,1) left parenthesis, 7, comma, 1, right parenthesis?

Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long?

The mean score of a college entrance test is 80; the standard deviation is 15. the scores are normally distributed. what percent of the students scored below 50?

Khan academy creating box plots