What are the steps to getting the value of x in 4(2x - 11) + 15 = 21 and explanation for each step?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico