Reese needs blue ribbon and gold ribbon to decorate a wreath. She needs 1 4 yard of blue ribbon for every 5 8 yard of gold ribbon. How much blue ribbon will she need for every yard of gold ribbon she uses?

Acompany is making new soccer uniforms for a team. the company uses 2.5 yards of fabric for each shirt. the company uses 82.5 yards of fabric to make shirts and shorts for 15 players. the equation and solution below represents the situation. 15(2.5+x)=82.5; x=3 what does the solution, x=3, represent?

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β