I need help with these 3 problems please! Thank you!

myBama C Content X MATH 125 (5.5 The Substitutic Course Hero webassign.net/web/Student/Assignment-Responses/last?dep=31747409 8. 9. 10. [-11 Points] DETAILS 0/100 Submissions Used Evaluate the integral by making by making appropriate substitutions. (Use C for the constant of integration.) Hint: u = x -8-x=u+8 [-11 Points] DETAILS 0/100 Submissions Used Evaluate the integral by making an appropriate u-substitution. (Use C for the constant of integration.) 7 dx , DETAILS Hint: x7 = x4x3 [-11 Points] MY NOTES MY NOTES MY NOTES Evaluate the definite integral. 3 1 + 7xdx math24.png 0/100 Submissions Used math23.png ASK YOUR TEACHER ASK YOUR TEACHER ASK YOUR TEACHER Show All x