Using the associative property of multiplication, which expression is equivalent to 4(7x)? a. 7(4x) b. 28x c. (4.7)x d. 4(7+x)

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36