Written hw 2 (due 9/11) problem 1 (2013spring #11): is the following statement a tautology? justify your answer by constructing a truth table. - (p^9) +- qvp). problem 2 (2015fall #5): determine whether the following argument is valid and justify your answer (construct a truth table). : pa-a

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feetwidth: feet

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total