Which phrase matches the algebraic expression below?
2(x − 7) + 10
two times the sum of x and seven plus ten
two times the difference of x and seven plus ten
two times x minus seven plus ten
two times x minus the sum of seven and ten

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.