6. How many positive numbers less than 100 are possible by using the digits 0, 1, 2, 3? If the repetition of the digits is not allowed, how many such numbers are possible? 7. How many even numbers are possible between 2000 and 3000 by using the digits 0, 1, 2, 3, 4, only once? ​

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )