Grades dropping for senior year

I am a straight-A student with a 4.7 GPA as off last year. Currently, I am full time dual-enrolled senior and 2 of my classes are graded based on a curve. So far, I’m not confident about myself getting As in these 2 classes this semester. Will a drop in GPA drastically affect college admissions? I’m not slacking or suffering from senioritis. My situation just makes it unlikely for me to get an A in these classes.