9/8+7/40 = and does the answer simplify

Richard is performing an experiment where he flips a coin to determine the probability of getting a heads. After 1,200 trials, a heads has come up 648 times. Based on his results, what is the experimental probability of getting a heads?

Kayley is saving money for a vacation she starts out saving 10 dollars a week she plans to double the amount she is saving each month how much money will she be saving the fourth month.

Tom drives at a constant rate of 40 miles per hour for 3 hours. How far will he have traveled in that time?

find the x and y intercepts for each standard form question. Write your answer as an ordered pair. 5x-10y=30

Each of a certain type of tire on a 4 wheel car lasts exactly 10,000 miles. How many spare tires of this same variety must carried so that a trip of 15,000 miles can just be completed.

Trent wants to buy 2 packs of trading cards for 3 dollars each. The tradings cards

Simplify. 4n + 12 + 7n

What is the minimum value of f (x) = x2 - 10x + 19? -10 -6 19 5

What is the value of n in the simplified expression? (4k7) 3 = 4n · (k7) 3 = 64k21

What is the measure of angle ACE shown in the diagram below? 180° and 30°