Aparticle is moving along the curve y= 5 \sqrt{4 x + 1}. as the particle passes through the point (2, 15), its x-coordinate increases at a rate of 2 units per second. find the rate of change of the distance from the particle to the origin at this instant.

What is the solution set of the quadratic inequality x^2-5< or equal to 0

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?