Should i be an actress/singer, astronomer, or should i work with technology?

in my heart i feel many things. an actress/singer is something i really have fun in. astronomy interest me. and i'm good with technology. my mom wants me to be succesful and go to college and i would love to. i would lyke to cause i am a straight A student. i'm have great citizenship. i work great with others. but whenever i sing or dance or something i feel an actress or singer is in me. i love to act. i'm shy though. i dont know what to do though. something that i lyke because i wrote a couple songs already. i never shared them with any one. but i dont know. should i be an actress/singer, something that makes me feel great, an astronomer, something i'm interested in, or work with technology, which i'm good with?? i'm a great singer. a wonderful singer. i'm a straight A student and teachers lyke me. i dont know. Any advice??