Solve the problem.
-Find the missing length in the similar triangles. 
Definitions:
Q14: <span class="ql-formula" data-value="( 6,2 )"><span class="katex"><span class="katex-mathml"><math
Q49: Roberto invested some money at 7%, and
Q96: All squares are rectangles, but not all
Q109: <span class="ql-formula" data-value="x^{2}+(y-1)^{2}=9"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msup><mi>x</mi><mn>2</mn></msup><mo>+</mo><mo stretchy="false">(</mo><mi>y</mi><mo>−</mo><mn>1</mn><msup><mo
Q129: -6, -4, -2, 0 <br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5007/.jpg" alt="-6,
Q143: <span class="ql-formula" data-value="\frac { 13 } {
Q148: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5007/.jpg" alt="
Q168: <span class="ql-formula" data-value="x - 2 ( x
Q228: <span class="ql-formula" data-value="\frac { 84 } {
Q289: 7<br>A)0.7%<br>B)350%<br>C)700%<br>D)0.07%