Expand and Simplify 3 (2a+5) + 5 (a-2)

Prove the divisibility of the following numbers: 25^7+5^13 by 30

A brother and sister leave school at the same time, moving in opposite directions. If the brother walks away at a speed of 3.5 miles per hour, and the sister runs at a speed of 7.5 miles per hour, how far apart are they after half an hour

Negative 5 1/3, negative 2 1/2 and 3.75 least to greatest

the measure of 2 complementary angles are in the ratio 1:4. what are the degree measures of the 2 angles

You have a standard deck of 52 playing cards. if you draw two cards at random from the deck, what is the probability that they are the same suit

Rewrite this expression as a single power 12^5•12^7/-12^4

40 pounds of sugar are placed in packets of 1 over 16. How many packets are there

I dont understand how to simplify the exponents (4b2 times 2b3 times b) 2

The table below contains four statements. For which function below are all four statements true? The domain of the function is x ≤ 3. The range of the function is y ≥ 0. The x-intercept of the function is 3. When x decreases, the function increases.

The soccer team is practicing in small groups. there are 36 players in the team. how many groups will they have if they split into groups.