@nightowl can you me ?

what is the value of x in the equation −6 + x = −3?

a.) −9
b.) −3
c.) 3
d.) 9

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?