**Answer: 69.3 and 110.7 degrees**

**Step-by-step explanation:**

To solve A = P(1 + rt) for r, first isolate (1 +rt) by dividing both sides of this equation by P:

A/P = 1 + rt.

Next, isolate rt by subtracting 1 from both sides:

A/P - 1 = rt

Finally, divide both sides by t:

**A/P - 1**

**----------- = r**

** t**

This could be written in other formats, such as:

**A - P**

**-------- = r**

** Pt**

Answer: 1.6 times

Step-by-step explanation:

73/47 inches tall

There's a theorem for this: the angle made by two intersecting secants of a circle has a measure equal to half the difference of the arcs the secants intercept. In this case,

<em>x</em> = (130° - 30°) / 2 = **50°**

12+6/7n=-25n add 25n and subtract 12 on both sides

25 6/7n=-12 convert to improper fraction

181/7n=-12 multiply both sides by seven to clear the fraction

181n=-84 divide both sides by 181 to get your answer

n= -.46 hope that helps..