A Student correctly answered 22 out of 30 questions inatest what percent is this?

Write 0.8 as a simplified fraction and a percentage.

Consider the finite linear pattern: \( 20 ; 17 ; 14 ; \ldots ;-103 \) 3.1 Write down the \( 4^{\text {th }} \) term of the pattern. 3.2 Determine the expression for the \( n^{\text {th }} \) term. 3.3 Calculate the number of terms in the sequence. \( 3.4 \quad \) Which term is the first to have a negative value? 3.5 What is the value of the \( 19^{\text {th }} \) even-valued term in the sequence?

What is 20 percent of 240?

a) \( \sqrt{\frac{16}{25}} \)

3. Sarah took five tests, each with full marks of 100 . If her marks in three tests are \( 94,88,81 \), what is the least mark she could get in one of the other two tests to achieve an average of 83 marks in the five tests?