At a local grocery store, hamburger meat is normally $3.50 per pound, but this week hamburger meat is on sale for $2.10 per pound. What is the percent decrease in the price? will give brainliest

Find the quotient. 50a2 – 98b2 -5a +7b

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in