Write an equation for each description. Use the equation editor or write out the equations on a separate sheet of paper. 1.) The difference between a number and 12 is 20.

2.) Two-thirds a number plus 4 is 7.

3.) Ten times the sum of half a number and 6 is 8.

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

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

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?