Determine whether the ordered pair is a solution of the system of linear equations.(2, -4);
A. Yes
B. No
Answer: A
Mathematics
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Find the total cost.1211 gallons of paintat $3 per gallon
A. $404 B. $1214 C. $1208 D. $3633
Mathematics
Simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive numbers.
A. 
B. 5
C. 25
D. 
Mathematics
Solve.A toy maker wants to make a triangular mainsail for a toy sailboat in the same shape as a 
sailboat's mainsail. Use the diagram to find the length of the toy's missing side. Round to the nearest hundredth if necessary.
A. 0.48 ft B. 1.95 ft C. 3 ft D. 5.5 ft
Mathematics
Translate to an algebraic expression.8 decreased by b
A. 8b B. 8 - b C. 8 + b D. b ÷ 8
Mathematics