In ΔSTU, m∠S = (10x-5)^{\circ}(10x−5)
∘
, m∠T = (2x+4)^{\circ}(2x+4)
∘
, and m∠U = (x-14)^{\circ}(x−14)
∘
. Find m∠S.

99 points at a zoo, the leopard pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a circle with a radius of 12 m. the inner edge of the sidewalk is a circle with a radius of 8 m. (1 point for showing all of your work) a. write and simplify an expression for the exact area of the sidewalk. (1 point for the answer) b. find the approximate area of the sidewalk. use 3.14 to approximate π. (1 point for the answer)

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.