Does anyone take flvs chemistry?
answer only if you do, : )

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax