At a local track meet, rcms won 3 blue ribbons than red ribbons. they also won 7 more yellow ribbons than red ribbons. rcms won a total of 28 ribbons. how many of each color did rcms win?

What is the equation of the graph below? y=sec(x)-4

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?