Write the product of 7 and a number w as an expression

Alogical argument that is presented in graphical form using boxes and arrows is called?

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.