I need a step by step explanation of how to do this problem mentally and quickly:

7 3/4 - 1 2/7 - 3/2

The Viera family is traveling from Philadelphia to Orlando for vacation. the equation y=1000-65x represents the distance in miles remaining in their trip after x hours. A. Graph the equation. B. interpret the slope and the y-intercept.

the actual length of a rectangular platform used for assembeling robots is 6 feet. in amal's drawing, the platform measures 1.2 inches in legnth and 1 inch in width. what is the actual width of the platform? write a proportion to justify your answer.

A test consists of 30 multiple choice questions, each with five possible answers, only one of which is correct. find the mean and the standard deviation of the number of correct answers. round the answers to the nearest hundredth.

To prove part of the triangle midsegment theorem using the diagram, which statement must be shown? O The length of JK equals the length of JL. The length of GH is half the length of KL. The slope of JK equals the slope of JL.

Write an expression for the calculation double nine and then add 27

How is a debit card differ from a credit card

3a+3b=18 What can you you fill in the "a" and "b" blanks to get 18

What property states that any element is equivalent to itself?

Find the x and y intercepts of - 7xt6y=5

What is 61 divided by 6 long division can you show me?