Solve.Joel has started a business mowing lawns for the summer. The bar graph below tracks his net income for five weeks. 
Find the difference in Joel's net income between week 1 and week 4.
A. $423
B. $215
C. $433
D. $225
Answer: C
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Given that P varies jointly with r and s and 
when 
and 
class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_6ad8f1bdcdb9477b9ddfdaaa5" />, find P when 
and 
.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Four boys and three girls are seated, in a row, at random, to watch a play. What is the probability thata) a girl is seated at each end of the row?b) one of the boys is seated in the middle seat?c) boys and girls are seated alternately?
A. a) 
b) 
c) 
B. a) 
b) 
c) 
C. a) 
b) 
c) 
D. a) 
b) 
c) 
Convert the measurement as indicated.51 qt to gallons
A. 48 gal
B. 12
gal
C. 25
gal
D. 102 gal
Multiply.3a2x4(-5a7x8 + 2x6 - 11a)
A. -15a7x8 + 6x6 - 33a B. -15a9x12 + 6a3x10 - 11a C. -15a9x12 + 6a2x10 - 33a3x4 D. -15a9x12 + 2x6 - 11a