Evaluate.-13 × 16
A. -195
B. -208
C. 195
D. -224
Answer: B
You might also like to view...
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 3)2 = -20(x - 2)
A. vertex: (3, 2) focus: (-2, 2) directrix: x = 8 B. vertex: (2, 3) focus: (-3, 3) directrix: x = 7 C. vertex: (2, 3) focus: (7, 3) directrix: x = -3 D. vertex: (-2, -3) focus: (-7, -3) directrix: x = 3
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: 
where x is the number of hours spent in the lab and y is the grade on the test. Use this function to predict the grade of a student who spends 14 hours in the lab. Round to the nearest tenth. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 62.6 B. 74.6 C. 65.4 D. 58.6
Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.
+ 
= - 
A. Identity B. Conditional equation C. Inconsistent equation
Find the probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1133?A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive. Round your answer to three decimal places.
A. 0.244 B. 0.194 C. 0.050 D. 277