Collin is paid £99.44 for a 8 hour shift what is Collins pay per hour

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer

What is the absolute value of the complex number -4- 2 v14 3.15 14 18