Easy way to explain adding and subtracting negative numbers

Solve for x 0.5x+78.2=287

20*+12>14*+30 A. * <3 B.*<7 C.*>7 D.*>3

2 fractions have a common denominator of 8 what could the two fractions be?

At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 100 meters and a diameter of 50 meters. It takes the wheel seven minutes to make one revolution.

35%Daisy is cooking pasta. The recipe says she needs 480 grams of pasta for 4 people. How many kilograms will she need for 14

What is a40 for the arithmetic sequence presented in the table below? n 8 12 an 60 48 Hint: an = a1 + d (n - 1), where a1 is the first term and d is the common difference

Chris was shown the graph of a line that contained (1,7). He wrote f (x) = 4x + 3 to correctly represent the line. Which of these equations could represent the same line.

A chess player won 2 games out of 20 what is the ratio to games lost to games won

How many solutions are there to the equation below? 220 = 2x-12x A) 1 B) 2 C) infinitely many

The simple interest x on an investment would take p dollars at an interest rate r or t years is given by x=prt. Find the time it would take to earn $900 in interest on an investment of $21,000 at a rate of 4.6%