Joseph leaned a 15 foot long ladder against his house to climb on the roof. He placed the base of the ladder 9 feet away from the wall. How tall is the lowest point of the roof?

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?