18 + 24 = 6 * (3 + ?) What's the number that goes in the question mark place?

Which one ? is the answer and how to find this answer

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.