Emi computes the mean and variance for the population data set 87, 46, 90, 78, and 89. She finds the mean is 78. Her steps for finding the variance are shown below.

Eugene wrote a riddle: A positive number is 5 less than another positive number. Six times the lesser number minus 3 times the greater number is 3. Find the two positive numbers.

4 x (3+18) : 6 by the way: this is a fifth grade question

Statistics question-needs to show

The percent of sales tax is 6%. What is the sales tax on a skateboard that costs $98?

The parade had 127 floats. Thatis 34 fewer floats than last year. How many floats were in the parade last year?

Select the best answer for the question. 2. Lavina wants to buy a rocking chair for $160. She'll pay 10% down and pay the rest in six monthly installments. What will be the amount of each monthly payment? A. $16 B. $26 C. $27 D. $24

How many times larger is the rectangular prism than the cube? A. 6 B. 4 C. 30 D. 2

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8

Which statement is true about f (x) = square root x

Two times the smallest of three consecutives even integers is four more than three times the largest. Find the integers.