The figure contains two similar triangles. Find the unknown measure indicated by a variable. Round your answer to the nearest tenth.
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?
Where 
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Fill in the blank(s) with the appropriate word(s).
18.7
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Solve the system graphically.2x + y = 22x + y = 4
A. 
B. (2, 4)
C. 
D. no solution
Name the property illustrated by the sentence.y + 8 = 8 + y
A. Additive identity property B. Associative property of addition C. Commutative property of addition D. Additive inverse property
Solve the problem.You inherit $10,000 with the stipulation that for the first year the money must be invested in two stocks paying 6% and 11% annual interest, respectively. How much should be invested at each rate if the total interest earned for the year is to be $800?
A. $7000 invested at 6%; $3000 invested at 11% B. $6000 invested at 6%; $4000 invested at 11% C. $5000 invested at 6%; $5000 invested at 11% D. $4000 invested at 6%; $6000 invested at 11%
Solve the problem.In how many ways can a committee of seven people be chosen from 15 married couples if: (a) two particular couples must be on the committee?(b) no married couples may be on the committee?
What will be an ideal response?