Write a linear inequality for the situation described.It takes 4 cups of sugar to bake a cake and 3 cups of sugar to make a tray of cookies. Mary has a total of 20 cups of sugar to bake x cakes and y trays of cookies.
A. 3x + 4y ? 20
B. 3x + 4y ? 1
C. 4x + 3y ? 0
D. 4x + 3y ? 20
Answer: D
Mathematics
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Identify the set as finite or infinite.The set of even whole numbers less than 100
A. Finite B. Infinite
Mathematics
Evaluate the integral.
A. - ln 
+ 
ln 
- 3 tan-1 (sin t) + C
B. ln 
- ln 
- 5 tan-1 (sin t) + C
C. - ln 
+ 
ln 
- 3 tan-1 t + C
D. - ln 
+ 
ln 
+ C
Mathematics
Divide and reduce to lowest terms.
÷ 
A. 
B. z + 3
C. 
D. 
Mathematics
Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a rectangular solid with width = 21 yd, length = 25 yd, height = 17 yd
A. 7225 yd3 B. 8925 yd3 C. 13,125 yd3 D. 7497 yd3
Mathematics