Deloise has $1.20 in pennies and nickels in a jar on her desk. the number of pennies and is three times the number of nickels. how many coins of each type does she have?

The measure of the angles of triangle abc are given by the expressions in the table. angle-measure a-48 degrees b-(6x-28)degrees c- (2x) degrees find the value of x. then find the measures of angles b and c. enter your answers in the boxes. x= m m

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?