Can anyone help me get the answer

The reflexive property of congruence lets you say that ∠pqr ≅

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$