In a right triangle ABC, C is the right angle. What does sinA equal? A) cos(90°- A)
B) sin(90°- A)
C) cosB
D) Both A and C are correct

What is the square root of 45? (step by step working plz)

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.