Find each percent increase. round to the nearest percent
2. from 20 students to 30 students
4. from $3.49 to $3.89
6. from 5 miles to 16 miles
find each percent decrease. round to the nearest percent
8. from $80 to $64
10. from 90 points to 45 points
12. from 64 photos to 21 photos

Negative 5 1/12 + negative 4 1/4 + 6 3/4

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2