Step-by-step explanation:
4.
3pounds for $6.99
a.
1 pounds =$6.99/3=$2.33
b.
10 pounds =10×$2.33=$23.3
10.
area right triangle =1/2 bh=1/2 ×{50×30}=750mm²
3x+2/5=7
3x+2/5=35/5
3x=35/5-2/5
3x=33/5
x=(33/5)/3
x=(33/5)/(3/1)
x=(33/5)*(1/3)
x=33/15
x=30/15+3/15=2+1/5
x=2.2
(a+b)^3 = a^3+b^3+3ab(a+b)
(a+b)^3 = (-1)^3
Parallel lines have the same slope, so Line Q should also have an undefined slope
