Joan likes to watch the birds in her yard. One morning, she notices that there are twice as many robins as blue jays. if she counted 21 blue jays and robins in all, how many blue jays did she count

Who invented geometry

Twice a number minus 5 is 7

Paul is decorating cupcakes for a birthday party he can decorate 3/4 of a cupcake per minute at this rate how many cupcakes can he decorate in 12 minute

Write an expression for the sum of d and 9

The cook needs to make the dough for 9 small pizzas. Each pizza dough needs cup of flour. How much flour does the cook need to make all the pizza dough? Express your answer is simplest form. cups

wo positive integers are 3 units apart on a number line. Their product is 108. Which equation can be used to solve for m, the greater integer? m (m - 3) = 108 m (m + 3) = 108 (m + 3) (m - 3) = 108 (m - 12) (m - 9) = 108

What type of angle is an angle of 5 (3.14) / 4 radians?

Astronauts use stool in space that weighs 5 ounces on earth how many grams does the tool weigh round your answer to the nearest hundredth

The product of - 4 and a number is 36

The price of a shirt is reduced from $27 to $20. what is percentage decrease in the price?