Value of 7.6a + 16.2c, when a= -6 and c = -4

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee