Atest consists of 30 problems and students are told to answer any 10 of these questions. in how many different ways can they choose the 10 questions?

b.) 160 miles on a 5 gallons car

step-by-step explanation:

240/10=24 miles/gallon

160/5=32 miles/gallon

30/1=30 miles/gallon

168/6= 28 miles/gallon

32 miles/gallon is the most amount, so this is the best.

the correct answer to your question is a. 4^4

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30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .