Please help me. word bank:

Numerical Expression, Order of Operation, Algebraic Expression, Mathematical Property, Equation, Inequality, inverse operations, coefficient, isolate the variable, solution/set, variable,

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

Write the equation in logarithmic form e^x=403.429

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?