Solve.If 4 sandwich rolls cost $1.08, how much will 20 rolls cost?

A. $6.32
B. $4.32
C. $5.40
D. $6.4


Answer: C

Mathematics

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Find first four terms of the indicated expansion by use of the binomial series.

A. 5
B. 5 - x + x2 - x3 + . . .
C. 25 - x + x2 - x3 + . . .
D.

Mathematics

Write the compound statement in symbols.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."The food is good and if I eat too much, then I'll exercise.

A. (r ? p) ? q B. (r ? p) ?  q C. r ? (p ? q) D. (r ? p) ? q

Mathematics

Identify the operation to perform to the equation to isolate the variable. = 

A. Divide by 8
B. Multiply by 8
C. Multiply by 4
D. Divide by 

Mathematics

Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 20 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 10t2. Find the distance the object travels in the first 3 seconds.

A. 90 feet B. 9 feet C. 60 feet D. 30 feet

Mathematics