Solve the equation.-3.49 = 
A. b = -5.00
B. b = 10.51
C. b = -48.86
D. b = 9.51
Answer: C
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Solve the problem.Ultraviolet solar radiation (UV) is strongly absorbed by ocean water. The intensity of the UV at a particular depth can be calculated using the equation I = I0e-0.3d, where d is the depth in centimeters (cm), I0 is the intensity at the surface, and I is the intensity at depth d. Find the depth at which the intensity is 15% of its value at the surface. Round to the nearest tenth when necessary.
A. 2.7 cm B. 6.3 cm C. 19 cm D. 9.5 cm
Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = 
, B = - 
B. A = 
, B = 
C. A = - 
, B = 
D. A = - 
, B = - 
Solve the problem.A recipe for cookies calls for 1
cups of flour. If you are only making a half-batch, how much flour would you need?
A. 
cups
B. 2
cups
C. 
cups
D. 1
cups
Determine whether the number is divisible by 2, 3, 5, 6, 9, and / or 10.45,260
A. 5 B. 2, 5 C. 5, 10 D. 2, 5, 10