Joseph and tyler went to the hobby store. they each bought a race car for $15.99. joseph bought a blue race car for $2.99 and tyler bought a red race car for $3.99. the hobby store charges 8.9% tax. how much did they spend altogether plus tax?

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

2x minus y equals 6, x plus y equals negative 3

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25