Answer:
10
Step-by-step explanation:
28-2(9)=?
28-18=10
= root 45 - 3 root 20 + 4 root 5
= root 9 * root 5 - 3 * root 4 * root 5 + 4 root 5
=3 root 5 - 3 * 2 * root 5 + 4 root 5
= root 5 ( 3 - 6 + 4 )
= root 5 *1
= root 5
Answer:
a
Step-by-step explanation:
the green figure is the same as the blue figure.
Answer:
Step-by-step explanation:
3x + 5y = 15
divide by 15;
3x/15 + 5y/15 = 15/15
x/5 + y/3 = 1
x-intercept= 5
y-intercept= 3