X^2 + 4x - 16 - 11/(x + 2)
Answer: a) 0.7
b) 70%
Step-by-step explanation:
a) There are 10 marbles.The red marbles are 7
so that 7/10
then change to decimal 7/10=0.7
b) if we get percentage *100
so, 7÷10*100%
70%
Answer:
Step-by-step explanation:
Side of the <span>square tile = x-3 </span>⇒ Area = (x-3)² = x² - 6x + 9