2x+40=
In the diagram parallel lines p and Q are cut by transversal r. what is the value of x

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Evaluate the expression for the given value of the variable 7a - 4a for a =8