A 3-inch, f/6 reflector has a focal length of:

2 inches

3 inches

6 inches

18 inches

to multiply a number by 12, Carter likes to multiply the number by 10 and then multiply it by 2 and add the product. Write an expression with parenthesis how carter would solve 12*16

Which set of ordered pairs does NOT represent a function? A. { (-9, - 3), (-4, - 2), (-1, - 1), (-1, 1) } B. The set of the ordered pairs eight comma negative three, five comma negative one, two comma one, and negative one comma three. C.

Jim built pens for his dogs. If he puts 1 dog in each pen, he will have 2 dogs left over. If he put 2 dogs in each pen, he will have 1 empty pen. How many dogs and pens does Jim have?

On a map, 0.25 inches represents 1 mile. What is the area of a rectangle on the map that is 3.75 inches long and 2.25 inches wide?

A new car is sold with or without antilock brakes, with or without a CD player, with or without electric seats, and with or without a sunroof. How many different choices are there?

Calculate 6.75-3.1 and round to the correct number of significant digits

noah and his Children went into the grocery store and they were still in apples for one dollar each and mangoes for two dollars each Noah has $20 to spend and most by at least nine apples and mangoes all together if Noah decided to buy for apples

The radius of a circle with area A is approximately √A/3. The area of a circular mouse pad is 54 square inches. Estimate its radius to the nearest tenth.

Which number is not a perfect square? A) 4 B) 9 C) 144 D) 84

15x+2= /,/,10x+7 10x+7