Systems of equations word problem.

"Flying with the wind a plane went 183 km/h. Flying into the same wind the plane only went 141 km/hr. Find the speed of the plane in still air and the speed of the wind.

Is it true that (-3b) ^4 = - 12b^4? Explain why or why not.

What do i have to do to - 364.64 to get 628

george is driving at an average speed of 62 miles per hour. write an expression that would give his distance traveled for h hours. Make a table that records his distance for 3, 5.5., and 8.5 hours

Answer both parts a and b for full credit. A store that sells skis buys them from a manufacturer at a wholesale price of $63. The store's markup rate is 50%. a. What price does the store charge its customers for the skis? b.

What is the length of the rectangle shown below? The width is 4.6 cm and the area is 57.5 cm2

A problem on a multiple-choice quiz is answered correctly with probability 0.9 if a student is prepared. an unprepared student guesses between 4 possible answers, so the probability of choosing the right answer is 1/4.

The sum of two numbers is 47 and the difference is 9 what are the numbers?

List two properties of the polygon in the grid

what are the new coordinates after reflecting across x=2 if the coordinates are K (-2,-1) L (-2,-3) M (-5,-3) N (-5,-1)

What is x and y to 3y+7x=4 - 6x+y=-7