Solve the problem.The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. Find the number.
A. 24
B. 35
C. 53
D. 42
Answer: D
Mathematics
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A potato is placed in a preheated oven to bake. Its temperature P, in degrees, after t minutes of baking is
.
A. Make a graph of the temperature of the potato over the first 4 hours of baking.B. Did the potato's temperature rise more during the first 30 minutes of baking or the second 30 minutes of baking?C. What is the temperature of the oven?
What will be an ideal response?
Mathematics
Match the equation with the surface it defines.
+ 
= 
A. Figure 2 B. Figure 1 C. Figure 4 D. Figure 3
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 2 ln 
+ ln 
+ C
B. 2 ln 
+ ln 
- 
+ C
C. 7 ln 
+ ln 
+ C
D. 2 ln 
- 
+ C
Mathematics
Graph the inequality.y ? 5x + 4
A. 
B. 
C. 
D. 
Mathematics