Use the distributive property to multiply the given expressions.(a + 2)7
A. 7a + 2
B. a + 14
C. 14a
D. 7a + 14
Answer: D
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Provide an appropriate response.Solve the following equation: 
x + x = 48
Fill in the blank(s) with the appropriate word(s).
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as at an N 57.1º E altitude of 423 feet. An observer at C sights the helicopter and gives 
as 12.1º. How far will a rescue boat at A have to travel to reach any survivors at B (see the figure)? Apply the rules regarding the use of significant digits when determining your answer. Round your answer to the nearest ten feet.
?
?
Distance rescue boat travels = __________ ft
Fill in the blank(s) with the appropriate word(s).
How many three-digit numbers can be formed under the following condition? ? The leading digit cannot be zero. ?
A. 800 B. ?500 C. ?900 D. ?600 E. ?700