Brian wants to build a ramp that leads to a storeroom 5 meters above the ground. he wants the ramp to be 10 meters long. what should the angle of elevation of the ramp be? 15°

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

The tile along the edge of a triangular community pool needs to be replaced? ?