Marty drew a model of the school library the total area of the floor is 132 square centimeters what is the area of the shaded part of the model shown below

What is the value of y? round to the nearest tenth

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"