Use the order of operations to simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: A
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Solve the variation problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 37.5 seconds to finish the race.
A. 3 feet per second B. 6 feet per second C. 5 feet per second D. 4 feet per second
Complete the table.InputOutput19.8 × 1 - 0.4 =29.8 × 2 - 0.4 =39.8 × 3 - 0.4 =49.8 × 4 - 0.4 =
A.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 9.4 |
| 2 | 9.8 × 2 - 0.4 = 9 |
| 3 | 9.8 × 3 - 0.4 = 8.6 |
| 4 | 9.8 × 4 - 0.4 = 8.2 |
B.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 10.4 |
| 2 | 9.8 × 2 - 0.4 = 11.4 |
| 3 | 9.8 × 3 - 0.4 = 12.4 |
| 4 | 9.8 × 4 - 0.4 = 13.4 |
C.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 10.2 |
| 2 | 9.8 × 2 - 0.4 = 20 |
| 3 | 9.8 × 3 - 0.4 = 29.8 |
| 4 | 9.8 × 4 - 0.4 = 39.6 |
D.
| Input | Output |
| 1 | 9.8 × 1 - 0.4 = 9.4 |
| 2 | 9.8 × 2 - 0.4 = 19.2 |
| 3 | 9.8 × 3 - 0.4 = 29 |
| 4 | 9.8 × 4 - 0.4 = 38.8 |
Provide an appropriate response.For the pair of similar triangles, name the congruent angles and proportional sides.?ABC ~ ?ZML
A. ?A ? ?M, ?B ? ?Z, ?C ? ?L; 
= 
= 
B. ?A ? ?L, ?B ? ?M, ?C ? ?Z; 
= 
= 
C. ?A ? ?Z, ?B ? ?L, ?C ? ?M; 
= 
= 
D. ?A ? ?Z, ?B ? ?M, ?C ? ?L; 
= 
= 
Solve the equation.-9x + 3 = 5 + 7x
A. 
B. 
C. 
D. 