Find the weighted mean of the numbers in the table. Round to the nearest tenth.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. 
A. 7.5 points
B. 7.6 points
C. 7.3 points
D. 7.8 points
Answer: D
Mathematics
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Graph the inequality on a number line. Then write the solution in interval notation.x ? -4
A. (-4, ?)
B. (-?, -4]
C. (-?, -4)
D. [-4, ?)
Mathematics
Solve the problem.You are to create a 5 digit password for your e-mail account using the digits 0 to 9 and the letters A though E.(a) How many different codes can be made?(b) If you are only allowed to use a digit or letter once, how many different codes can be made?
What will be an ideal response?
Mathematics
Solve the equation log 10x + log 10 (x - 21) = 2.
A. x = 27 B. x = -4 C. x = 25 D. x = 4 E. x = 625
Mathematics
Write the number as a product of prime factors.154
A. 14 × 11 B. 22 × 11 C. 2 × 7 × 11 D. 72 × 2
Mathematics