A textbook store sold a combined total of 258 psychology and history textbooks in a week. The number of history textbooks sold was 74 less than the number of psychology textbooks sold. How many textbooks of each type were sold?
Number of psychology textbooks sold:

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Consider circle o, where and . m∠bpd °. °.

Find two numbers if their ratio is 4: 7 and their difference is 123.