What is the area of 50 ft x 40 ft x 80 ft x ? =. a. 2,600 square feet. b. 3,000 square feet. c. 3,600 square feet. d. 5,200 square feet

Find the solution of system of equation y= x-4 y=4x+2

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0