Simplify

(6y + 10z) - (13y - 5z + 4)

An object 3.9 feet tall casts a shadow that is 11.7 feet long. how long in feet would the shadow be for an object that is 13.2 feet tall?

What is 0.37 as a fraction in simplest form.

Solve the system of equations algebraically using the substitution and elimination 2x+y=5 and x-3y=6

A rectangle is 2/5 inches long and 1/3 inches wide

If 95.5% of a number, x, is 19.1, what is the value of x?

5 students receive the same text message at 9 a. m. each of them sent the message to five more students at 10 a. m. each of those students sent the message to five more student at 11 a. m.

Jeremiah works as a salesperson at an electronics store and sells phones and phone accessories. Jeremiah earns a $10 commission for every phone he sells and a $2 commission for every accessory he sells.

The balance in the unearned rent account for Jackson Co. as of December 31 is $1,500. If Jackson Co. failed to record the adjusting entry of $500 of rent earned in December, the effect on the balance sheet and income statement for December would be

A school is planning a field trip to a theme park. a ticket to the park costs $21. for a group of 50 or more, there is a 16 % discount. the school saved $924 with the discount. how many tickets did the school buy?

Round 392,153 ti the nearest hundred thousand.