Megan added 57+68 by breaking apart the number by place value. She made a mistake. Click on the first line in her work where there is a mistake

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

Write the equation of the circle centered at (10,-2) with radius 2.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220