What is the simplified expression for

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)