Use properties of operations to simplify this algebraic expression. 5(x-4)+3x-9x+7

step 1: rewrite the subtraction operations as addition of negative numbers.

step 2: use the distributive property.

step 3: use the commutative property of addition to reorder terms so that like terms are together.

step 4: use the associative property of addition to group like terms.

step 5: simplify.

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

I’m stuck on this equation, anyone got the answer?