Agirl had two cookies for dessert. her first cookie had diameter of 4 inches and her second cookie had a diameter of 5.5 inches. what is the total exact area of cookies that the girl ate?
**i know what formula to use i just don't know what to substitute pi with.

Acamper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles north on a bicycle. this trip can be plotted on the coordinate plane, where the camp is the point (0, 0). the distant of the camper to the camp can be found using the distance formula. which other formula can he use? a) 502 - 202 b) 502 + 202 c) 502 - 202 d) 502 + 202

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression