Please help For the system shown below what are the coordinates of the solution that lies in quadrant I? write your answer in form (a, b) without using spaces.
x^2+4y^2=100
4y-x^2=-20

Fred bought 3 cd’s for $16.50 is this multiplication division subtraction or addition

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey