Jack recorded the amount of miles he ran for three weeks. Week 111.2 milesWeek 213.35 miles Week 314.75 milesIf Jack’s goal is to run a total of 50 miles, how many miles does he need to run in Week 4?A10.5 milesB10.7 milesC10.75 milesD10.8 miles PLZ HELP ME

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81