it is less than 100 and greater than 10. you use a total of 11 base 10 blocks to show this number. the number of tens blocks is greater than the number of the ones blocks. nine, four and six are all not a digit in the number. how do you solve this problem? this is a problem in 1st grade math

17 in long 1.3 ft wide and 8in high what is the volume

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

3x + 4y = 5 x- 3y = -7 solve by substitution