800-450=350, 350+100=450, 450-210=-240. The submarine is now positioned at 240 ft below sea level..
Add the number of boys that prefer to play inside and the number that prefer to play outside and then divide the ones that prefer inside by the total. The answer is 43.4 percent
Answer:the 3rd one
Step-by-step explanation:
Desmos comes in handy with these problems. Use the "FOIL" method for each of them and then plug them into the calculator of desmos. This will graph each other them. Note the x and y axis'
Example for (A) y= (x-2)(x+3) foil it:
x^2+3x-2x-6
x^2+x-6
plug that in and match to graph.
Answer:
(5x + 2) - (-9x - 2)
O 11x2 – 5x + 8
14x + 4
–6x2 + 8x 7
-X2 + 6
Step-by-step explanation: