What is 35,000,000+600,000+400+40+2 in standard form?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

2.5 milligrams is equivalent to how many grams

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points