Use properties of operations to determine whether the expressions are equivalent. 3(n + 1) + 2n and 5n + 1
The expressions are ?

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?