Can someone explain to me how to find if an Algebra Expression is Equivalent to another

Which number from the set {5, 6, 11, 14} makes the inequality true? 3x + 9 < 27

Find the fifth term of the sequence given by the recursive formula t1 = 4 and tn = 2tn-1 - 5

John's height is 5 feet 4 inches how many inches tall is Juwan

Will sides 4cm, 5cm, 13cm make a triangle?

A town uses positive numbers to track increases in population and negative numbers to track decreases in population. The population has decreased by 300 residents over the past 5 years. The same number of residents left each year.

Which of the following is not required by lenders and investors?

Luci cuts a board that is 3 5 yard long into pieces that are 3 10 yard long. How many pieces does she cut?

Solve the equation for the specified variable. P=A/1+rt for r.

43 is 7 less than triple a number

40 qt = how many gallons