Find the value of a squared + b when a = - 2 and b=5

Axul went snorkeling and he noticed that the ratio of parrot fish to clownfish was 4:3. he saw 20 parrot fish how may clownfish did he see?

Question 15 Factorise 21-9x

Complete the proportion to compare the first two triangles

Two parallel lines are (blank) coplanar.

A fence is made from 32 identical pieces of wood, each of length 2 metres correct to nearest centimetre. Calculate the lower bound for the total length of wood used to make this fence. Write your answer in full calculator display.

Suppose you are driving. You notice that after driving for 2 hours, you are 125 miles from Seattle. You continue driving, and calculate that after driving 4 hours you are 235 miles from Seattle.

Suppose we t a regression line to predict the shelf life of an apple based on its weight. For a particular apple, we predict the shelf life to be 4.6 days. The apples residual is - 0.6 days.

Write each number in standard form 4*100+7*10+6*1+6*1/10+3*1/100+7*1/1000

What is 706.5 rounded by the nearest hundredth b

What are the next two terms after 12, 0.5, 6, 3, 18, ... ?