Simplify the algebraic expression by combining like terms.-6b + 2b
A. -4b2
B. -8b
C. -4b
D. 4b
Answer: C
Mathematics
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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.cos x = - 
,
x in 
A. sin x = 
, tan x = 1
B. sin x = 
, tan x = -1
C. sin x = - 
, tan x = -1
D. sin x = - 
, tan x = 1
Mathematics
List the numbers from the set that are of the type indicated.{15, 
, -3, 0}Real numbers
A. 15
B. 15, 0
C. 15, -3, 0
D. 15, 
, -3, 0
Mathematics
Write an inequality whose solution set is the interval.(-?, -4]
A. x ? -4 B. x ? -4 C. x < -4 D. x > -4
Mathematics
Find the exact interest. Use 365 days in a year, and use the exact number of days in a month. Round to the nearest cent, if necessary.$6340 at 7.5% for 51 days
A. $475.50 B. $62.01 C. $67.36 D. $66.44
Mathematics