Need this solved (3x+2y) (5x-6y)

An owner of a small store knows that in the last week 54 customers paid with cash, 42 paid with a debit card, and 153 paid with a credit card.

Calculate the following derivatives. Assume y is a function of t. Use Y for the derivative of y. (a) d dt y7 = Incorrect: Your answer is incorrect. (b) d dt y3e4t = Incorrect: Your answer is incorrect. (c) d dt t7 cos (y6) =

David's mass is 5kg less than john's, who in turn is 8kg lighter than paul. if their total mass is 197kg. how heavy is each person.

Can someone tell me what 8 : 3/5 is?

X^2+6x-9=0 what is the solutions

How do you change 4/8 to an decimal?

Which represent the first two terms of the sequence: a1 = 2 and an = - 4 (an - 1) 2?

34times1.22subtrace0.89

Find the quotient for 19,386 divided by 23

X plus y = 0 x - y plus 2 = 0