Using the binomial theorem to find coefficients in binomials. about
(a) what is the coefficient of x3y4 in (-3x + 4y)7?
(b) what is the coefficient of x2y7 in (5x - y)9?
(c) what is the coefficient of x5y3 in (3x - 4y)8?
(d) what is the coefficient of x6y1 in (-2x - 5y)7?

How does the graph of g(x)=⌊x⌋−3 differ from the graph of f(x)=⌊x⌋? the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted right 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted up 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted down 3 units. the graph of g(x)=⌊x⌋−3 is the graph of f(x)=⌊x⌋ shifted left 3 units.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

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