Two ladders are leaning against a wall at the same angle as shown. How tall is the shorter one ? If the longer one is 54ft by 30 ft high and the shorter one is 10 ft high

Use the distributive law to multiply. 3(4x + 5y + 6)

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?