liz has 9 buttons. kristen has b more buttons than liz choose the expression that shows how many buttons kristen has. A. b - 9. B. 9 + b. C. 9. D. 9 - b
becoz its said thatt kristen has b more so its additionn...... I'm simplyy typingg these stuffss as thiss app doesn't allow me to upload the answer of it isnt 20 characters longg