Which expressions are equivalent to 4 (4a+5) ?

a. 16a+5

b. 16a+20

c. 12a+20+4a

d. 2 (8a+10)

e. 16a+5+4

Flip a coin and toss a 1-6 number cube. Probability of: (heads and not a 3)

Five marbles in a jar are green. The odds of choosing a green marble is 4/1 how many marbles are in the jar?

An alloy of tin is 15% tin weigh 20 pounds. A second alloy is 10% tin. how much pounds of the second alloy must be added to the first to get a 12% mixture

On order for two triangles to be similar, all corresponding pairs of angles be

Two-thirds a number less than four is negative seven.

A local shelter had 60 animals waiting for homes. Many pets at the shelter were cats. If 70% of the pets were cats. How many cats were at the shelter.

Which set of values could be the side lengths of a 30-60-90 triangle? A. {4,4/3,8/3} B. {4,4/3,8} C. {4,4/2,8} D. {4,4/2,8/2}

There are 32 students in the 6th grade at Garden Valley Middle School. Eight of them have freckles. What is the ratio of 6th graders with freckles to the total number of 6th graders? A. 4:1 B. 1:3 C. 1:4 D. 3:1

Factor of 13x^2+7x-3

E park What is the scale of a r. He drawing where an 8 foot wall each is two inches long? ach, or pass. eason ake it