You wish to create 25mL of a mixture that is 2.5% HCI. You have one that Is 4% HCI and another one that is 1% HCI. How much of each solution should you use in the mixture?

Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?