Iris wants to buy two necklaces, one for her sister and one for herself. the necklace for her sister costs $42.00, and the necklace for herself costs $28.00. the sales tax on the purchases is 8%. find the total cost of iris’s purchases, including sales tax. if necessary, round your answer to the nearest cent.

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u. s. dollars for every 100 euros. b) gabriella averages 100 u. s. dollars for every 25 euros. c) gabriella can exchange 75 u. s. dollars for 100 euros. d) gabriella can exchange 100 u. s. dollars for 75 euros.