Find the number of 4-digit numbers that contain exactly two even and two odd digits.

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6