Put a check by the three numbers that are prime numbers.

1

7

15

21

If you get it right I will give you brainliest Whats heavier, pound of bricks of a pound of pennies i know the answer already

Find unit rate. The tub fills with 12 gallons of water in 5 minutes?

5 miles equal how many yards

Staci works at an apple orchard during the fall. On average, 70% of the apples sold are green and 30% are red. Use the following random number table to predict the probability that the next three apples sold will be green.

Mr. Knox's rent during the past year was 20% of his income. His rent was $61.25. Find his income for last year.

In a right triangle, the side opposite angle has length 3.07 meters and the hypotenuse has length 7.89 meters. What is the sine of the angle?

By 203 and 42 thousandths in standard form and expanded form

According to Ms. Hill's blintz recipe, 2 eggs should be used for every 3/4 cup of sifted flour. At this rate, how many cups of sifted flour should be used if 5 eggs are used?

If two angles are obtuse, then they must be congruent? true or false?

What is the answer tom10t=90