Pls! you!
1) in the morning, the temperature was -4.6 f. by the afternoon, the temperature was -9.4 f. what was the change in temperature
2) ron made withdrawals of $46.79 and $18.93 from his checking account. he also deposited $30. if his balance before these transactions was $71.24, what is his balance now?
explanation pls!

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.