Simplify.79 - 5.5 × 9.5
A. 131.25
B. 26.75
C. 698.25
D. 83
Answer: B
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour B. 3 hours C. 4 hours D. 5 hours
Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1
cups brown sugar 1
cups white sugar 1
cups shortening 1 pinch salt 3 eggs 2
tsp soda 2
/> tsp cream of tartar 1
tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is doubled, how much brown sugar will be needed?
A. Estimate: 3 cups
Exact: 4 cups
B. Estimate: 3 cups
Exact: 2
cups
C. Estimate: 4 cups
Exact: 4 cups
D. Estimate: 4 cups
Exact: 3 cups
Write the first five terms of the sequence whose nth term is shown.an = n - 4
A. -4, -3, -2, -1, 0 B. -1, 0, 1, 2, 3 C. -3, -2, -1, 0, 1 D. -16, -12, -8, -4, 0
Find the exact value of the expression without using a calculator.sin 
cos 
- cos 
sin 
A. 1
B. 
C. 
D. 