The ratio of the width of the length of a rectangle is 2 : 3 respectively. answer each of the following: a. by what percent of the area of a rectangle change of the width of the rectangle is increased by 50% and the length is increased by the same number of units

b. The width is increased by 25%. By what percentage should the length change to keep the area the same?

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0