Find the cross product (7, 9,6) x (-4, 1, 5). Is the resulting vector perpendicular to the given vectors?
a. -57, 43, 33); yes
b. (39,- 59,43), yes
c. (33 – 59. – 57); no
d. (33, - 57, 49); no

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Use corrrct notations to name the sides

Acompany makes steel lids that have a diameter of 13 inches. what is the area of each lid? round your answer to the nearest hundredth