Solve the system of equations. - 5x - 12y - 43z = - 136 - 4x - 14y - 52z = - 146 21x + 72y + 267z = 756

2 complementary angles are in the ratio 7:8. find the angles

Of all the students in a certain dormitory, 1 2 are first-year students and the rest are second-year students.

Last question!. Visitors to a carnival can buy an unlimited-ride pass for $50 or an entrance-only pass for $20. In one day, 282 passes were sold for a total of $10,680. How many unlimited-ride passes were sold?

Calculate the average between 200 and 4100

COS Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0 and 45° EXP Let us ca 8.5 Trigonometric Identities You may

Compare the ruler you made to an inch ruler. Describe a how they are alike and how they are different

Solve the system of equations by elimination. x-4y=-31 -7x+6y=41

Between them, Terry and Shelley have 50 cassettes. If Shelley has more than two thirds as many cassettes as Terry, at least how many cassettes does Shelley have? At most how many does Terry have?

The county fair charges $1.25 per ticket for the rides. Jermaine bought 25 tickets for the rides and spent a total of $43.75 at the fair. Jermain sepnt his money only on ride tickets and fair admission.

Write3/16 as a percent