If the area of the triangle is 84 inches squared what is the value of x

Use continuity to evaluate the limit. lim x→16 20 + x 20 + x step 1 consider the intervals for which the numerator and the denominator are continuous. the numerator 20 + x is continuous on the interval the denominator 20 + x is continuous and nonzero on the interval

Answer this question only if you know the answer! 30 points and

If the scale factor between two circles is 2x/5y what is the ratio of their areas?