You plan to buy a shirt for $24 and a hat for $18.you have $57.write an expression to find hiw much you will have left over.

57-42=15

Step-by-step explanation:

Add together the cost of the shirt and the hat (42) and subtract it from your money (57) to figure out what's left. (15)

You could do: $57 - ($24 + $18)

Hope this helps(:

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5

a. 12.5 kg

step-by-step explanation:

f = ma

so

m = f/a = (2500 n)/(200 m/s²) = 12.5 kg

1 n = 1 kg·m/s²