Answer:
C
Step-by-step explanation:
idk it just sounds like a conditional probability to me.
area of a triangle
1/2 base ×height
1/2×15×8.5
=63.75cm ^2
10x + 5
x = some number
10x = 10 multiplied by 'x'
10x+5 = five more than 10 multiplied by some number
