Sasha has 3/5 of a scarf left to knit. If she finishes 1/2 of that today how much of the scarf will Sasha knit today

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?