Wenn man den Radius eines Kreises um 2 cm verlängert, nimmt der Flächeninhalt um 40TT cm² zu. Wie lang war der Radius des ursprünglichen Kreises?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?