If $a$, $b$, $c$, and $d$ are replaced by four distinct digits from $1$ to $9$, inclusive, then what's the largest possible value of the difference $a. b - c. d$?

Which of the following pairs of class limits would be appropriate for grouping the numbers 12, 15, 10, and 17? a. 9-13 and 13-17 b. 10-12 and 15-17 c. 10-12 and 13-17 d. 10-13 and 14-17

Lydia told Al, "If you read the problem carefully, then the solution is not difficult." Which statement is the contrapositive of the above statement? A. If you read the problem carefully, then the solution is not difficult. B.

Ivan and tanya share £150 in the ratio 4:1 work out how much more ivan gets compared to tanya

Find the estimate & difference for 4-1.29

The totally clean toothpaste company advertises that 9/10 of all people surveyed prefer their toothpaste what percent of people surveyed prefer totally clean toothpaste

Freida earns $5.85s per hour. to find the amount of money freida earns working x hours, use the equation y=5.85. how many dollars does Freida earn of she works 2.4 hours?

Determine the mean, median, mode, and midrange for this collection of class test scores: 88 82 97 76 79 92 65 84 79 90 75 82 78 77 93 88 95 73 69 89 93 78 60 95 88 72 80 94 88 74 a. Mean is 84, median is 82, mode is 82, midrange is 77 b.

In a cohort of thirty graduating students, there are three different prizes to be awarded. if no student can receive more than one prize, in how many different ways could the prizes be awarded?

Simplify the expression: 4 (2x-12) + 60+5x

What is 15x plus 6x?