Ashley will buy the items listed in the table. She has a stored-value card worth $150. The store offers her a 5% discount if she uses her credit card to pay for any part of the purchase. What is the total cost of the purchase after Ashley uses her stored-value card prior to using her credit card? round to nearest cent O $504.59
O $479.36
O $354.59
O $336.86​
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Which statement justifies why angle ebc measures 90?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?