Answer:
35.71m/s²
Step-by-step explanation:
using the formula force(F)=mass(m)×acceleration(a)
a =

F=15.0N
m=0.42kg
a=?
a=15÷0.42
a=35.71m/s²
Answer:
a) 6 17/20
b) 10 31/60
Step-by-step explanation:
a) 9 2/20 - 2 1/4 = 137/20 = 6 17/20
b) 6 17/20 + 3 2/3 = 631/60 = 10 31/60
Yes it is possible for Roshaun to spend more money than Lea because he could have had more money than her to start with making his fraction larger than hers.
There is no simplest form for a decimal. You can only simplify equations and fractions, not decimals. For example, could you simplify 1? I don't think you could. Well, it's the same concept for -3.75.
Hope that answered your question.