Jacob buys 3 hot dogs and a $1 soda. Marlena buys 2 hot dog and a $2 soda. They spent the same amount. What is the cost of one hot dog?

Solve the system of equations. y= 2x y= x^2 - 15

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2