If the top of a 4.50 m ladder reaches twice as far up a vertical wall as the foot of the
ladder is out from the base of the wall, how far up the wall does the ladder reach?
Draw a diagram. Give your answer to two decimal places

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Which number line correctly shows 0.8 + 0.3?