If sin(2t-20)° = cos(t-10)°, what is the value of t? A. 10 B. 30 C. 40 D. 100

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways

Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?