At a concession, stand seven hotdogs and two hamburgers cost $12.75; two hot dogs and seven burgers cost $16.50. find the cost of one hot dog and one burger.

Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.

Place the following steps in order to complete the square and solve the quadratic equation,

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6