How to write the total of 138 and r is equal to 169 as an equation

A news reporter reports the results of a survey and states that? 45% of those surveyed responded? "yes" with a margin of error of? "plus or minus? 5%." explain what this means.

How many right angles does a square have

You approach a railroad crossing with a cross book sign that has no lights or gates. What should you do?

A square rug covers 79 feet of rug what is the approximate lengh of the rug

The formula for the perimeter of a rectangle can be written as P = 2 (l+w). Solve the formula for the length l.

Two researchers conducted a study in which two groups of students were asked to answer 42 trivia questions from a board game.

At the high school band's annual spaghetti dinner, the members served 210 dinners and collected $935. The band leader did not designate which ticket was an adult or child dinner.

If 2.5 litres of petrol cost 180, how much petrol will cost 1728

Solve for x. -6 = 3/8x A) - 9 B) - 12 C) - 16 D) - 24

If your dog eats 7/8 lb of food in 4 meals, how many meals will take your dog to eat 1 lb of food