If a and ß are roots of the quadratic equation x² - 4x + 7 = 0 form a quadratic equation with roots 3a and 3B.​

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1

Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio