Carla can buy 4 sandwiches and 3 cups of coffee for $20. steve can buy 3 sandwiches and 4 cups of coffee for $18.50. how much does one cup of coffee cost?

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

3x + 4y -25 =0 represents the amount of change sianna should recieve

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720