Thomas is saving money for a new mountain bike. the amount (a) thomas needs to save is more than $50.45. which inequality models the amount thomas needs to save?

a.$50.45=a
b.$60.45 c. a> $50.45
d. a< $50.45

Measures of the angle of r, 31 s (x+4) t (3x+9)

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?