What is the area of this triangle in coordinate plane

a) 5 units^2
b) 6 units^2
c) 7 units^2
d) 12 units^2

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?