How do I do linear equations?

Let P (n) be the statement that a postage of n cents can be formed using just 4-cent stamps and 7-cent stamps. The goal is to show, using strong induction, that P (n) is true for all integers n ≥ 18.

How do you convert a decimal into a fraction?

What is 2,0000+2,0000

What would the phrase "three times the sum of a number and 4" look like as a variable expression? 3 (3x 4) 3x 4 3x-4 3 (x 4)

Round 10.676 to the nearest hundredth

If Rodney bikes 190 miles every 4 days how many miles would he bike in 6 days

Determine whether the following question is a statistical question. If it is a statistical question, identify the units for the answer. An antique collector wants to know the age of a particular chair in a shop.

Genius society requires an IQ that is in the top 2% of the population in order to join. If an IQ test has a mean of 100 and a standard deviation of 15, what is the minimum qualifying score to join the genius society?

If 2a=9-b and 4a=3b-12, what is the value of a?

What's the slope intercept form?