Find the probability of getting 6 or more girls in births

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.

Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most