Avenue B makes a 70 degree angle with a Center Street what are the measure of the angles that South Street mixed with Avenue B

How do you convert 1.27 to a percentage

What is the number 321,000,000 in scientific notation? also what is the number? ?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.