Jasmine collected 120 model cars and 80 model trains. She gave 40% of the model cars and 15% of the model trains to her brother Parker. Using this information, how many model vehicles did parker receive in all. Please show me the work to this problem help

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?