8 bags of gravel and 7 bars of sand costs €60.20 in total 6 bags of gravel and A bags of sand costs 40.40 in total
How much would it cost in total to buy 2 bags of gravel and 1 bag of sand?​

Ineed asap.i cant understand this question i need someone to me right away

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp