Identify the rate of change for each equation. the y intercept is -10. while x increases by 9, y increases by 9.

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?

Which problem would you use the following proportion to solve for? 24/x=40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?