Solve.The difference of a number and 7 is the same as 37 less the number. Find the number.
A. 15
B. 22
C. -22
D. -15
Answer: B
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Solve the problem.An element decays at the rate of S(t) = se-0.086t, where t is time in years and s is the initial size in grams. If you have a 63-gram piece of this element, how many grams will you have 2 years from now? Round your answer to the nearest tenth of a gram.
A. 74.8 g B. 53.0 g C. 28.9 g D. 0.8 g
Divide, if possible. If not possible, write "not defined."
A. 33 R5 B. 200 C. 1 D. Not defined
Solve the problem.A box has a base whose length is twice its width. The volume of the box is 7000 cubic inches.a) Find a function for the surface area of the box.b) What are the dimensions of the box that minimizes surface area?
What will be an ideal response?
Solve the system by the substitution method.x2 + y2 = 21y2 = 2x + 13
A. (2, 
), (-4, 
), (2, -
), (-4, -
)
B. (2, 
), (-3, 
), (2, -
), (-3, -
)
C. (3, 
), (-4, 
), (3, -
), (-4, -
)
D. (2, 3
), (-4, 3
), (2, -3
), (-4, -3
)