What are the x-intercepts of the graph of the functionf (x)=x2+4x-12?

If m 17 27 90 63 ** picture is attached

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase